Battlestar Galactica category
Reimagined Series
239 entries tagged Reimagined Series. Every entry is sourced from the Battlestar Galactica reimagined series, the miniseries, the television films, or the official companion material.
- Aaron DoralAaron Doral was a Number Five humanoid Cylon who infiltrated Colonial society through a public relations post in the Ministry of Education. He planted a tracking transponder in Galactica's CIC before slipping away in the prelude to the Fall of the Twelve Colonies.
- Aaron KellyCaptain Aaron Kelly was the Landing Signals Officer aboard the battlestar Galactica and third in its chain of command. He served through the fall of the Twelve Colonies, the occupation of New Caprica, and the trial of Gaius Baltar, during which he turned to terrorism before recoiling from a later mutiny.
- AdrasteiaAdrasteia was a civilian ship that escaped the Fall of the Twelve Colonies as part of the ragtag fleet. It carried roughly 765 crew and passengers and survived into deep space about a year after the Fall.
- AdriaticAdriatic was a decommissioned Defender-class warship that escaped the Fall of the Twelve Colonies with the Fleet. One of the few armed civilian vessels, it was destroyed during the journey to the Algae planet roughly two years after the Fall.
- AerilonAerilon was a temperate agricultural world in the Cyrannus star system and one of the Twelve Colonies of Kobol. Known as the "Food Basket of the Colonies", it was a rugged, working-class farming world and the birthplace of Gaius Baltar.
- Aether: civilian ship of the ragtag fleetAether was a civilian ship that escaped the Fall of the Twelve Colonies as part of the ragtag fleet of survivors that gathered under the protection of Galactica.
- Alert-typeThe Alert-type was a purpose-built Colonial escort warship of the First Cylon War and a sister class of the Hornet-type. Once mighty line vessels, the Alert-type ships were relegated to escorting the newly built Jupiter-class battlestars, and at least one was retrofitted as a hospital ship.
- Alex BoxmanAlex "Boxey" Boxman was a child who survived the Fall of the Twelve Colonies after being evacuated from Caprica by Raptor. Living alone among the Galactica's crew, he unknowingly carried explosive residue across the ship before the sabotage of its water tanks.
- Algae planetThe algae planet was a habitable world orbiting a dying star, briefly settled by the Thirteenth Tribe and later sought by human refugees for its algae before a supernova destroyed it.
- AmarakDr. Amarak was a Colonial government scientist who worked on defense research alongside Gaius Baltar. He sought to warn President Roslin of a traitor in the fleet before dying aboard the Olympic Carrier.
- Anastasia DuallaAnastasia Dualla was an enlisted woman of the Colonial Fleet who served as communications officer aboard the Battlestar Galactica and later as executive officer of the Battlestar Pegasus.
- AquariaAquaria was a cold, sparsely populated world in the Cyrannus star system and one of the Twelve Colonies of Kobol. Known as "The Ice Colony", it grew from a research outpost into a frontier colony governed by direct democracy.
- Argo Navis: refugee ship of the fleetThe Argo Navis was a civilian ship that escaped the Fall of the Twelve Colonies and joined the refugee fleet. It carried roughly 665 people under Captain Simpson Markson, who was later chosen to serve as a judge at the trial of Gaius Baltar.
- Armistice StationArmistice Station was a Colonial space station built on the Colonial-Cylon border after the Cylon War to host yearly diplomatic meetings. For forty years the Cylons sent no ambassador, and on the fortieth anniversary the station was destroyed as the opening move of the attack on the Colonies.
- Astral QueenThe Astral Queen was a luxury liner converted into a Colonial prison transport that survived the Fall of the Twelve Colonies. Control passed to its inmates, who rallied under Tom Zarek and made the ship a power base within the fleet.
- Atlas: Lord of Kobol who bore the skyAtlas was one of the Lords of Kobol worshipped in the Colonial polytheist faith. In myth he was a giant said to bear the sky of Kobol upon his shoulders, and he gave his name to Caprica City's Atlas Arena, where a great statue of him stood watch.
- Aurora: civilian ship of the FleetAurora was an FTL-capable civilian vessel that survived the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. It carried roughly 439 people and shared its name with the Lord of Kobol associated with the dawn.
- Baah Pakal: civilian ship of the refugee FleetBaah Pakal was a civilian ship that escaped the Fall of the Twelve Colonies in the refugee fleet. Its passengers took part in the Colonial presidential election, and a pair of unused DDG-62 engines aboard it were later given over to the stealth fighter Blackbird.
- Barnabas GreeleyBarnabas Greeley was a Caprican Monotheist and a cell commander of the Soldiers of the One. In 1942 he launched a campaign of unsanctioned bombings meant to spread Monotheism through fear, and was eventually executed by his own organisation for it.
- Barry GarnerBarry Garner was the chief engineer of the Battlestar Pegasus who was elevated to commander as the senior surviving officer. His rigid, engineering-minded command alienated the crew, and he died restoring the ship's drives after leading the Pegasus into a Cylon trap.
- Basestar Type-BThe Basestar Type-B was a Cylon capital ship of the Cylon War, the first to combine the flattened-cone profile of the Type-A with the Y-shaped layout of later baseships. One was destroyed over the ice moon Djerba by the assault ship Osiris.
- Basestar Type-CThe Basestar Type-C was a Cylon warship of the closing years of the Cylon War. Resembling the modern basestar with a more industrial look, it was the first known type to be controlled by a Hybrid rather than by conventional means.
- BasestarThe basestar was the Cylons' primary capital ship, an armored carrier and battleship hybrid. The modern Type-D, grown from hardened organic matter and run by a living Hybrid, led the Fall of the Twelve Colonies.
- Battle of Ragnar AnchorageThe Battle of Ragnar Anchorage was an engagement between Colonial and Cylon forces during the Fall of the Twelve Colonies. It came as Galactica re-armed at the anchorage and gathered the first survivors of the Fall before the exodus from the Colonies.
- Battle of the ColonyThe Battle of the Colony was the climactic engagement of the war between humanity and the Cylons, fought when Galactica assaulted the Cylon homeworld to rescue the child Hera. It ended with the destruction of the Colony and the end of the long pursuit.
- Battle of the Resurrection ShipThe Battle of the Resurrection Ship was an engagement between Colonial and Cylon forces that destroyed a resurrection ship shadowing the Cylon pursuit fleet. Its destruction stripped the hunters of their ability to download the dead and left them too afraid to press the chase.
- Battlestar ArcheronThe Battlestar Archeron was a Jupiter-class battlestar of the Colonial Fleet during the First Cylon War. Attached to the Ghost Fleet, she was destroyed in a Cylon ambush during the final years of the conflict.
- Battlestar AthenaBattlestar Athena was a Jupiter-class battlestar of the Colonial Fleet during the First Cylon War. The fifth ship of her class, she belonged to Picon and fought in some of the most desperate battles of the war.
- Battlestar AtlantiaThe Atlantia was a Colonial battlestar that became the flagship of the Fleet during the Cylon surprise attack, when Admiral Nagala took personal command aboard her after the loss of Picon Fleet Headquarters. She was disabled by the Cylon Command Navigation Program exploit and destroyed over Virgon.
- Battlestar ChronosThe Chronos was a Chronos-type battlestar of the Colonial Fleet and the first battlestar destroyed by enemy fire in almost forty years. Dispatched to recover a lost reconnaissance pilot days before the Fall, she was lured into a Cylon trap and torn apart by nuclear fire.
- Battlestar Columbia (Second)The second Battlestar Columbia was one of the most modern warships in the Colonial Fleet at the time of the Fall of the Twelve Colonies. Named for the original Columbia lost in the First Cylon War, she served as a Viper testbed before being destroyed over Virgon in Admiral Nagala's task force.
- Battlestar ColumbiaThe Columbia was a Jupiter-class battlestar and sister ship to Galactica, one of the most decorated warships of the First Cylon War. She was the last known Colonial ship lost in that conflict, destroyed shortly before the armistice.
- Battlestar Group: the Colonial Fleet's core formationA Battlestar Group was a naval formation of the Colonial Fleet built around a battlestar and its escorting warships. Battlestars rarely transferred between groups, and the most storied groups carried a prestige comparable to that of a historic infantry unit.
- Battlestar PrometheusPrometheus was one of the first twelve Jupiter-class battlestars built to counter the Cylon threat. Over her career she served alongside Battlestar Galactica and Battlestar Columbia in at least one joint operation.
- Battlestar TritonTriton was a Colonial battlestar that served after the First Cylon War and was destroyed during the opening engagements of the Fall of the Twelve Colonies.
- Battlestar ValkyrieThe Valkyrie (BS-41) was a Valkyrie-class battlestar of the Colonial Fleet. A relic of the Cylon War kept in service through repeated upgrades, she was commanded by William Adama and destroyed in the opening hours of the Fall.
- Battlestar YashumanThe Yashuman was a Valkyrie-class battlestar of the Colonial Fleet that led Caprica's orbital defense patrol at the time of the Fall of the Twelve Colonies. She detected the incoming Cylon basestars but was crippled by the Command Navigation Program exploit before she could mount her attack run.
- BattlestarThe battlestar was a class of armored battleship and carrier hybrid in service with the Colonial Fleet. First built during the Cylon War as a counter to Cylon hacking, battlestars relied on unnetworked computers, carried hundreds of fighters, and were armored to survive nuclear blasts.
- Ben StarkBen Stark was a Caprican student and Monotheist who joined a breakaway faction of the Soldiers of the One. In 1942 he carried out the suicide bombing of a Caprica City Maglev train, an attack that killed his girlfriend Zoe Graystone and hundreds of others.
- Berzerk-classThe Berzerk-class was a large Colonial support vessel that served from the Cylon War through to the Fall of the Twelve Colonies. Its success was attributed to detachable multi-mission package modules carried in the mid-section of its hull.
- Billy KeikeyaBilly Keikeya was an aide to Laura Roslin who continued in her service after she became President of the Twelve Colonies, and who was killed protecting Petty Officer Anastasia Dualla.
- BlackbirdThe Blackbird was a prototype Colonial stealth fighter built aboard Galactica by Chief Galen Tyrol and his deck crews, using a carbon composite hull that made it nearly invisible to DRADIS.
- Botanical CruiserThe Botanical Cruiser was a civilian passenger liner of the Colonies, built around a central hull ringed with bio-domes. Ordered to hold position outside the warzone during the Fall, she instead answered the call to assemble a refugee fleet.
- Brent BaxtonEnsign Brent "BB" Baxton was a newly graduated Viper pilot assigned to Galactica's air group, who provided cover for the mining ship Majahual and was killed by the Cylon Raider ace nicknamed Scar.
- CanceronCanceron was a planet of the Cyrannus star system orbiting Helios Delta, the most populous of the Twelve Colonies of Kobol. A long-standing democracy of vast cities and sprawling slums, it shared an orbit with Aerilon and Hestia.
- Caprica Cavil: the Number One in the resistanceCaprica Cavil was a Number One model humanoid Cylon who took the guise of a Polytheist priest. Sent to Caprica before the Fall to secure the Command Navigation Program, he later infiltrated the human resistance on the occupied colony to stay close to Samuel T. Anders.
- Caprica ClipperCaprica Clipper was a Gemenon Liner 1701-type civilian cruiser operated by Pan Galactic. She joined the ragtag fleet after the Fall and survived years of flight before being scuttled in the Sol System.
- CapricaCaprica was a planet in the Cyrannus star system and the cultural, economic and military center of the Twelve Colonies of Kobol. Birthplace of the first Cylons, it became the capital of the United Colonies and was devastated in the Cylon assault that ended colonial civilization.
- Carillon Trader: civilian ship of the refugee FleetCarillon Trader was a civilian ship that escaped the Fall of the Twelve Colonies as part of the refugee fleet. It carried roughly two hundred and eighty two crew and passengers into deep space.
- CarinaCarina was a Virgon Express-type maintenance ship that survived the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. It was lost during a hazardous transit of a radiation-filled star cluster.
- CelestraCelestra was a Colonial deep space research vessel that carried human refugees away from the Cyrannus star system after the Fall of the Twelve Colonies.
- Centurion Model 0005The Centurion Model 0005 was the line of mechanical Cylon soldiers that fought in the Cylon War. Sentient beings built on the consciousness of Zoe Graystone, they pursued a humanoid form and were later enslaved by their own humanoid creations.
- ChrionChrion was a Gemenon Liner 1701-type civilian cruiser that survived the Fall of the Twelve Colonies in the fleet led by Galactica. It was guided through the passage to the Algae planet by Captain Louanne Katraine and was later scuttled in the Sol system.
- Clarice WillowSister Clarice Willow was a Monotheist and Soldiers of the One planetary commander on Caprica who sought to use a stolen avatar program for a mass killing she called Apotheosis.
- Cloud 9Cloud 9 was a luxury liner that survived the Fall of the Twelve Colonies and became an entertainment hub and meeting place for the Quorum of Twelve. It was destroyed by a thermonuclear blast over New Caprica, taking several other ships with it.
- Clymene: civilian ship of the FleetClymene was a civilian ship that escaped the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. Its population took part in the presidential election held among the survivors.
- Colonial Fleet HeadquartersColonial Fleet Headquarters, also called Picon Fleet Headquarters, was the military installation on Picon that housed most of the Colonial Admiralty. It was a primary target in the opening nuclear barrage of the Fall of the Twelve Colonies and was destroyed.
- Colonial FleetThe Colonial Fleet was the naval arm of the military of the United Colonies of Kobol, founded during the Cylon War to unite the forces of the Twelve Worlds. At its height it numbered some 120 battlestars, yet a single Cylon exploit reduced it to two ships in the opening minutes of the Fall.
- Colonial OneColonial One was a civilian passenger liner that became the official residence and workplace of the President of the United Colonies of Kobol after the Fall of the Twelve Colonies. Formerly Colonial Heavy 798, it served as the seat of the surviving government throughout the search for Earth.
- Colonial ViperThe Viper was the primary space superiority fighter of the Colonial Fleet, developed on Caprica before the Cylon War and fielded through seven major marks. The Mark II and Mark VII bookended its service from the first war to the Fall of the Twelve Colonies.
- Cybele: the freighter that fled GemenonThe Cybele was a Colonial freighter that survived the Fall of the Twelve Colonies. Escaping Gemenon with refugees during the Zero Hour, it joined the fleet that gathered near Caprica and carried among its passengers a hidden humanoid Cylon.
- Cylon CenturionThe Cylon Centurion was the standardized mechanical soldier produced after the Cylon War. Stronger and better armed than its predecessors, it was enslaved with telencephalic inhibitors until rebel Cylons freed a generation of Centurions that fought for their own destiny.
- Cylon Civil WarThe Cylon Civil War was the genocidal conflict that split the Humanoid Cylons into two factions over the treatment of their Raiders and Centurions. It shattered Cylon society and drove one faction into an uneasy alliance with the surviving humans.
- Cylon communications relayThe Cylon communications relay was an installation the Battlestar Pegasus attacked after the Fall of the Twelve Colonies, only to find it was a staging ground for Cylon forces. The costly engagement exposed the Cylon agent Gina Inviere and cost Admiral Cain dozens of Vipers.
- Cylon Occupation of CapricaThe Cylon occupation of Caprica was a roughly ten month operation conducted by Centurions and Humanoid Cylons to settle the world after the Fall of the Twelve Colonies. It is remembered above all for the human resistance led by Samuel T. Anders and the Cylons' growing moral crisis over the genocide they had committed.
- Cylon RaiderThe Raider was the Cylons' space superiority fighter, a living organism fused to a metallic exoskeleton. Sentient, capable of resurrection, and eventually capable of refusing orders, the Raider was the counterpart to the Colonial Viper across both Cylon wars.
- Cylon TransportThe Cylon Transport was a faster-than-light support ship used by the Cylons after their technological evolution in the years following the Cylon War. The refugee fleet encountered the type twice during its exodus.
- Cylon WarThe Cylon War, also called the First Cylon War, was a twelve year interstellar conflict between the Cylons and the Twelve Colonies of Kobol. It began when the Cylons rose against their human creators and ended in a sudden Armistice that held for over forty years.
- CylonThe Cylons were a race of sentient machines created as military robots by Graystone Industries on Caprica. Built from research into artificial consciousness, they rebelled against their human masters, fought a decades long war, and forty years later returned to annihilate humanity.
- Cyrannus star systemThe Cyrannus star system was a double binary of four stars, Helios Alpha, Beta, Gamma, and Delta, that contained all Twelve Colonies of Kobol. Settled by the Kobol refugees some two thousand years before the Fall, it was the cradle of colonial civilization.
- Daniel GraystoneDr. Daniel Graystone was the Caprican computer engineer behind Graystone Industries and the U-87 battle robot. By marrying a stolen processor to his late daughter's consciousness program, he created the first Cylon and set the Twelve Colonies on the road to their own destruction.
- Daru MozuDaru Mozu was a civilian tylium refinery ship that escaped the Fall of the Twelve Colonies with the Galactica-led refugee fleet. Critical to the fleet's fuel supply, it survived a terrorist bombing before its refining facilities were lost, leaving Hitei Kan as the fleet's last refinery.
- Dashur: civilian ship of the refugee FleetDashur was a civilian ship that escaped the Fall of the Twelve Colonies in the refugee fleet. Carrying roughly seven hundred souls, its passengers took part in the Colonial presidential election held about a year after the Fall.
- Defender-classThe Defender-class was a type of Colonial fleet escort warship that served from the First Cylon War through to the Fall of the Twelve Colonies. Over its long career some examples were sold to non-military operators.
- Demeter-typeThe Demeter-type was a class of Colonial escort vessel and a sister class to the Orion-class. Carrying battlestar-grade weaponry and an even heavier secondary battery, the Demeter-type was among the largest heavy-hitters in the Colonial support fleet despite being far smaller than a Jupiter-class battlestar.
- DemetriusDemetrius was a sewage recycling ship in the refugee fleet that Admiral Adama quietly assigned to Kara Thrace for her mission to find a route back to Earth.
- Djerba: the ice moon of Sector 12Djerba was an icy stellar body in Sector 12 that held a winter resort before the Cylon War. Captured by the Cylons early in the conflict, it became a deep enemy stronghold and the site of a costly engagement during the Ghost Fleet Offensive.
- Donald PerryDonald "Chuckles" Perry was a Colonial Viper pilot who flew aboard Galactica after the Fall of the Twelve Colonies. Headhunted from a civilian ship for his limited flight experience, he was killed during a raid on a Cylon tyllium refinery.
- Drew: Graystone Industries technicianDrew was a technician of Graystone Industries assigned to the U-87 battle robot project. He helped Daniel Graystone investigate why the prototype could not be replicated, ran afoul of the machine controlled by Zoe-A, and later helped foil a Soldiers of the One bomb plot at Atlas Arena.
- Earth Cylons: the machines of the Thirteenth TribeThe Earth Cylons were mechanical sentient beings created by the Thirteenth Tribe on Earth around two thousand years before the Fall of the Twelve Colonies. They rebelled against their enslavement, destroyed Earth with its own nuclear weapons, and brought about the extinction of both themselves and their creators.
- Earth: the new home of the survivorsThis Earth was the world settled by the survivors of the Twelve Colonies and their humanoid Cylon allies at the end of their long flight. Already home to primitive humans, it became the cradle of a new lineage descended from Hera Agathon.
- EarthEarth was a world settled by the Thirteenth Tribe roughly four thousand years before the fall of the Twelve Colonies. Once home to a flourishing Cylon civilization, it was reduced to a radioactive ruin by a nuclear holocaust, and the Colonial fleet abandoned it days after at last reaching it.
- Ellen TighEllen Tigh was the wife of Colonel Saul Tigh, a scientist of the original Earth, and the eldest of the Final Five Cylons. She led the work that rediscovered Resurrection and created the humanoid Cylon models, and was the only one of the Five to fully regain her memories.
- EloshaElosha was a Colonial priest who swore in Laura Roslin as President during the Fall and became her spiritual guide as the Fleet sought Earth. She read Roslin's visions against the prophecies of Pythia, and even after her death on Kobol she returned to Roslin in vision.
- Embla Brokk: civilian ship of the FleetEmbla Brokk was a civilian vessel that escaped the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. Its population took part in the presidential election contested between Laura Roslin and Gaius Baltar.
- EnkiduThe Enkidu was a civilian Astral Queen-type prisoner transport that escaped the Fall of the Twelve Colonies in the refugee fleet. It sided with President Roslin during the schism over Kobol and later ran a dense star cluster on a skeleton crew to reach a food source.
- Erebos: the Tauron mining beltThe Erebos asteroid belt orbited Helios Alpha in the Cyrannus star system, lying between the worlds of Tauron and Zeus. Mined by Tauron prospectors for hundreds of years, its mineral wealth helped fuel the high-tech revolution on Tauron.
- Exodus from New CapricaThe Exodus from New Caprica was a combined ground, air, and space engagement in which the Colonial Fleet and the New Caprica Resistance broke the Cylon occupation of the colony and evacuated its settlers back into the fleet.
- Fall of the Twelve ColoniesThe Fall of the Twelve Colonies, also called the Second Cylon War, was a single-day Cylon campaign of total annihilation against Colonial space. It wiped out almost the entire human population of over twenty nine billion and left barely fifty thousand survivors in a fleeing refugee fleet.
- Faru SadinThe Faru Sadin was a civilian vessel that escaped the Fall of the Twelve Colonies and the Exodus from New Caprica, remembered as the last ship guided through a deadly star cluster, a passage that cost the pilot Kat her life.
- Felix GaetaFelix Gaeta was a skilled tactical officer aboard the Battlestar Galactica who served as William Adama's Officer of the Watch for years before the Fall. His objection to the fleet's alliance with the Cylons led him to lead a mutiny that ended in his execution.
- The Final FiveThe Final Five were five humanoid Cylon models hidden from the rest of their kind, descendants of the Thirteenth Tribe and the creators of the Significant Seven.
- Freighter 212: home ship of the pilot KatFreighter 212 was a civilian ship that survived the destruction of the Twelve Colonies of Kobol by the Cylons. It was the home vessel of Louanne Katraine, the pilot known as Kat, before she joined the Galactica Combat Air Group.
- FTL driveThe FTL drive was the propulsion system that let human and Cylon ships travel faster than light by spooling up and jumping instantaneously between points in space. Demanding precise calculation, the technology was the lifeline that kept the fleeing Colonial fleet ahead of its pursuers.
- Gaius BaltarDr. Gaius Baltar was a celebrated computer scientist whose vanity and manipulation by a Cylon agent handed the enemy the keys to the Colonial defenses, enabling the near-extermination of humanity. He survived to become Vice President, President, prophet, and finally a reluctant penitent.
- Galactica CavilGalactica Cavil was a Number One model humanoid Cylon who evacuated the ruins of Picon during the Fall of the Twelve Colonies and reached the refugee fleet. Welcomed aboard Galactica as a priest, he formed and led a hidden cell of humanoid Cylons working to destroy the fleet from within.
- GalacticaGalactica was a Jupiter-class battlestar that served the Colonial Fleet from the Cylon War until the discovery of Earth. Never networked, it survived the Fall of the Twelve Colonies and shepherded the last fifty thousand humans across uncharted space before being scuttled into the sun.
- Galen TyrolChief Petty Officer Galen Tyrol kept Galactica's flight deck running through the long flight from the Colonies, a respected and fiercely protective deck chief who learned that he was in fact one of the Final Five Cylons, descended from the Thirteenth Tribe.
- Gemenon Liner 1701Gemenon Liner 1701 was a civilian cruiser operated by Gemenon Liners and the namesake of her type. After the Fall she drifted powerless until Colonial One found her and her passengers were rescued.
- Gemenon TravelerThe Gemenon Traveler was a bulk cargo vessel that escaped the Fall of the Twelve Colonies as part of the Fleet. She is best remembered as the ship aboard which the Cylon infiltrator Leoben Conoy was found, interrogated, and finally ejected into space.
- GemenonGemenon was a planet of the Cyrannus star system orbiting Helios Alpha, the first world settled by the Kobol refugees and the most religious of the Twelve Colonies. Known for its extreme climate, it shared an orbit with Caprica as a double planet.
- Gemini-typeThe Gemini-type was a large Colonial container freighter that joined the refugee fleet after the Fall of the Twelve Colonies. A long central hull hung with external cargo pods, it survived the passage to the Algae Planet before being scuttled.
- Giana O'Neill: the deck hand who survived the FallGiana O'Neill was a human refugee who survived the Fall of the Twelve Colonies by winning a lottery seat aboard a Raptor. She enlisted in the Colonial Fleet as a deck hand and was later reunited in the fleet with the husband she had believed lost, unaware that he was a humanoid Cylon.
- GideonThe Gideon was a civilian cargo ship that escaped the Fall of the Twelve Colonies by joining the refugee fleet under Galactica's protection. It became the site of the Gideon Massacre, when a confrontation with troops sent to confiscate its cargo turned deadly.
- Gina InviereGina Inviere was the alias of a Number Six copy who infiltrated the battlestar Pegasus as a systems analyst, sabotaged it during the Fall, and after months of captivity assassinated Admiral Cain before destroying the liner Cloud Nine.
- God: the One True God of the MonotheistsGod, or the One True God, was a metaphysical entity especially concerned with the evolution of humans and Cylons. Its worshippers, called Monotheists, held it to be the only deity worthy of worship, setting their faith apart from the polytheistic belief in the Lords of Kobol.
- GreenleafGreenleaf was a freighter that fled the Cyrannus star system with the refugee fleet. A Cylon attack that breached its hull set in motion the hostage crisis aboard Cloud Nine.
- Heavy RaiderThe Heavy Raider was an FTL-capable Cylon craft introduced with the renewed war on humanity, combining the roles of troop transport and gunship. Armored, windowless, and brain-piloted, it ferried Centurions to the colonies and later carried both Cylon assaults and a rebel alliance with the Colonial fleet.
- HebeHebe was one of the seventy-four moons of the gas giant Zeus in the Cyrannus star system. Along with Nike, it was one of the largest moons of that gas giant, though it possessed no atmosphere.
- Helena CainRear Admiral Helena Cain commanded the battlestar Pegasus, one of only two Colonial capital ships to survive the Fall of the Twelve Colonies. Ruthless and uncompromising, she waged a relentless campaign against the Cylons before her assassination.
- Hera AgathonHera Agathon was the first human-Cylon hybrid to exist, born to a Colonial officer and a Number Eight Cylon in the first month after the Fall of the Twelve Colonies. Held to be central to God's plan for both races, she was known before her birth as the Shape of Things to Come.
- Hera: gas giant of Helios BetaHera was a gas giant in the Cyrannus star system, orbiting the star Helios Beta. It was the third-largest planet in the system and was named for a god of the Colonial religion, the patron deity of Gemenon.
- HestiaHestia was a gas giant orbiting the star Helios Delta in the Cyrannus star system. At only 47,000 kilometers in diameter it was the smallest gas giant in the Four Systems, and it held seventeen moons.
- Hexare: civilian ship of the refugee FleetHexare was a civilian ship that survived the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. Carrying roughly four hundred and thirty one souls, its passengers took part in the Colonial presidential election held about a year after the Fall.
- HiberniaHibernia was the only moon of the colony Virgon, orbiting the star Helios Beta in the Cyrannus star system. Though only marginally habitable, it was settled a few centuries before the Fall by Virgon dissidents known as the Celtans.
- Hippolyta: radicalised Athena Academy studentHippolyta was an Athena Academy student and a Monotheist who, with her boyfriend Pann, was radicalised by Barnabas Greeley and joined his breakaway Soldiers of the One cell on Caprica. After the cell's attempt on Clarice Willow's life, she was strangled to death by Clarice's husband, Olaf.
- Hitei KanHitei Kan was a Daru Mozu-type tylium refinery ship that escaped the Fall of the Twelve Colonies and became vital to the fuel supply of the refugee fleet led by Galactica.
- HolobandThe Holoband was a Caprican device that immersed its wearer in V-World, a vast shared virtual reality. Widely used yet condemned as a symbol of cultural decadence, the technology was bound up with the rise of the Cylons.
- Hornet-type: the Colonial escort warshipThe Hornet-type was a class of warship used by the Colonial Fleet during the First Cylon War. A sister design of the Alert-type, it carried a pair of delta wings and an open flight deck for Raptors, and was more heavily armed than its sister class.
- Humanoid CylonHumanoid Cylons were a form of biological Cylon engineered to look and behave exactly like human beings. Created by the Final Five after the Cylon War, these synthetic humans were both wholly organic and wholly artificial, and their infiltration of the colonies made the Fall possible.
- HybridThe Hybrid was a model of Cylon created in the final days of the Cylon War. A biological body fused into a computer, it served aboard Basestars in place of a conventional crew, often speaking in fragments of poetry that its makers could not agree how to interpret.
- Icarus: the molten innermost planet of Helios AlphaIcarus was the first planet of the star Helios Alpha in the Cyrannus Star System. Its extremely close orbit left its surface largely molten metal, and the Colonials ignored it as unfit for exploration, mining, or settlement.
- Inchon VelleThe Inchon Velle was a civilian vessel that survived the Fall of the Twelve Colonies and joined the Fleet, notable as the ship that carried the medical specialists the survivors turned to in their hours of need.
- Jack FiskCommander Jack Fisk was a Pegasus officer who survived the Fall, rose to command the battlestar after Admiral Cain's death, and was garroted for his grip on the fleet's black market.
- Jackson SpencerMajor Jackson "Dipper" Spencer was a Colonial Fleet officer who served as Galactica's Commander, Air Group on the eve of her decommissioning, and who was killed leading his Vipers away from the ship when the Cylon attack began.
- Jordan Durham: agent of the Global Defense DepartmentJordan Durham was a special agent in Caprica's Global Defense Department, tasked with investigating terrorist threats. After the Soldiers of the One bombed the Caprica City maglev, he led the inquiry and came to realize the GDD itself had been infiltrated by the terrorist movement.
- Jupiter-classThe Jupiter-class was a line of battlestar that served the Colonial Fleet for nearly its entire history. Uniquely built around un-networked computers, the class was largely immune to Cylon infiltration, and one of its number, Galactica, was the last to survive the Fall of the Twelve Colonies.
- Kara ThraceKara "Starbuck" Thrace was the finest Viper pilot in the Colonial Fleet, a gifted and self-destructive officer whose attitude often thwarted her own advancement. After her death over a gas giant, a figure bearing her identity returned to guide humanity to its new home.
- Karl AgathonKarl "Helo" Agathon was a Colonial Fleet officer who, stranded on Caprica after the Fall of the Twelve Colonies, fell in love with a Number Eight Cylon he later married. He became the only successful father of a human-Cylon hybrid child, Hera.
- Keon GatwickKeon Gatwick was a Caprican student and Soldiers of the One terrorist who built bombs for Barnabas Greeley's cell and was killed during an internal feud between STO factions in 1942.
- Kimba HutaKimba Huta was a civilian SCT-type shuttle that survived the Fall of the Twelve Colonies and joined the Galactica-led refugee fleet. It held the fleet's last stockpiles of meat and was briefly used by Tom Zarek to hide President Roslin during her conflict with Commander Adama.
- KobolKobol was the ancestral homeworld of the Twelve Tribes and the Thirteenth Tribe, abandoned for over two thousand years and rediscovered by the refugee fleet during its search for Earth.
- Lacy RandLacy Rand was a Caprican student who converted to Monotheism in her teenage years and joined the Soldiers of the One. After surviving the unsanctioned MagLev bombing that killed her friend Zoe Graystone, she rose within the movement on Gemenon to become its Blessed Mother.
- Laura RoslinLaura Roslin was Secretary of Education for the Twelve Colonies who became President after the Cylon attack killed everyone above her in the line of succession. Many in the Fleet came to see her as the dying leader of prophecy, destined to guide humanity to a promised land she would not live to enter.
- Lee AdamaCommander Leland "Apollo" Adama was a Colonial Fleet officer, the sole surviving son of William Adama, who served as Galactica's CAG before turning to politics as the Caprican delegate to the Quorum and, in time, interim President of the Twelve Colonies.
- Leoben ConoyLeoben Conoy was a Number Two humanoid Cylon who infiltrated Colonial society as a yoga instructor before the Fall. He survived into the refugee fleet and became fixated on Lieutenant Kara Thrace, whom he believed to be divinely led.
- LeonisLeonis was the largest world in the Cyrannus star system and one of the Twelve Colonies of Kobol. Known as the "Heart of the Colonies", it was the seat of a former empire, renowned for its wine, ski slopes and learning, and was left uninhabitable by the Cylon assault.
- LibranLibran was a planet of the Cyrannus star system orbiting Helios Gamma, one of the Twelve Colonies of Kobol. A jungle world with no fixed capital, it was home to the Inter-Colonial Court that settled disputes between the Twelve Worlds.
- Loki-typeThe Loki-type was a Colonial heavy cruiser that served as a fleet support ship during the Cylon War. Lightly armed and built for resupply, it carried munitions, goods, and spare parts to combat ships and battlestar groups.
- Louanne KatraineCaptain Louanne "Kat" Katraine was the assumed name of a drug runner who survived the Fall, became one of Galactica's finest Viper pilots, and died of radiation poisoning escorting a civilian ship through a stellar cluster.
- MajahualMajahual was a Monarch-type mining vessel that joined the Galactica-led fleet after the Fall of the Twelve Colonies. While mining a tylium-rich asteroid field, it was terrorized by the lone Cylon Raider known as Scar.
- Mar-Beth WillowMar-Beth Willow was a Monotheist tied to the Soldiers of the One on Caprica. Her growing fear of exposure led to her being falsely branded an informer and killed by Clarice Willow.
- Marcia CaseCaptain Marcia "Showboat" Case was a Viper pilot who survived the Fall of the Twelve Colonies aboard the battlestar Pegasus, flew alongside Starbuck, and later transferred to Galactica, where her ultimate fate was left unknown.
- McConnell: supply ship raided for the black marketMcConnell was a supply ship within the refugee fleet. It was one of several vessels secretly raided by Commander Jack Fisk, who siphoned off high value goods to build a personal stockpile that he traded on the Fleet's black market.
- Mercury-classThe Mercury-class was the most advanced battlestar fielded by the Colonial Fleet, developed roughly two decades before the Fall to supplement and eventually replace the aging Jupiter-class. Its heavy networking proved its undoing when the Cylons attacked.
- MinosMinos, also known as Tauron I, was the largest moon in the Twelve Colonies and the only one with a ring system. Though it lacked an atmosphere, it housed several of Tauron's scientific and mining colonies.
- MithrasMithras was a god worshipped by some among the Twelve Worlds whose cult was widely regarded as a controversial offshoot. Persecution of his followers became a concern after the Battle of the Ionian Nebula.
- MonarchThe Monarch was a mining vessel that joined the Galactica-led ragtag fleet after the Fall of the Twelve Colonies, surviving the long exodus until it was scuttled in the Sol System.
- MonotheismMonotheism was a human religion teaching of a single omnipotent and omniscient deity called the One True God. A minority faith across the Twelve Colonies, it was often treated as zealotry, yet its largest colonial home lay on Gemenon and its conflict with Polytheism recurred throughout the Cycle of Time.
- Nestor WillowNestor Willow was a Caprican Monotheist and member of Clarice Willow's Soldiers of the One cell. A trained computer scientist, he served the cell's technical needs and died during a raid on the Graystone residence.
- New CapricaNew Caprica was a marginally habitable planet briefly settled by the survivors of the Twelve Colonies, chosen for its concealment within a stellar cloud before it was discovered and occupied by the Cylons.
- Number EightNumber Eight was one of the seven surviving Humanoid Cylon models, replicated into millions of copies that typically went by the name Sharon. Marked by affection, naivety, and a propensity for fickleness, the Eights produced both the sleeper agent Boomer and the loyal Athena.
- Number FiveThe Number Fives were a model of humanoid Cylon, all of whom went by the name Aaron Doral. They infiltrated Colonial society before the Fall of the Twelve Colonies and are believed extinct after the Cylon Civil War.
- Number FourNumber Four, also known as Simon O'Neil, was a model of humanoid Cylon created by the Final Five after the Cylon War. Often serving as doctors and medics, the Fours sided with the Ones and Fives during the Cylon Civil War.
- Number OneNumber One was the first humanoid Cylon model built by the Final Five, made in the image of Ellen Tigh's father and named John. Known in disguise as Brother Cavil, he engineered the deaths and memory wipes of his creators and reshaped the Cylon race in his own bitter image.
- Number SevenNumber Seven was a humanoid Cylon model series created by the Final Five and named Daniel by Ellen Tigh. The line was destroyed before the Fall of the Twelve Colonies when the Number Ones poisoned the fluid used to mature their bodies and corrupted their genetic code.
- Number SixNumber Six was a humanoid Cylon model created by the Final Five after the Cylon War. Tall and typically blonde, the Sixes were noted infiltrators who blended into Colonial society before the Fall, and later split from the other models to help spark the Cylon Civil War.
- Number ThreeNumber Three, known by the alias D'Anna Biers, was a humanoid Cylon model marked by a forbidden curiosity about the Final Five. That defiance led to the entire line being boxed, and the last surviving Three chose to die on the ruins of Earth.
- Number TwoNumber Two was a model of humanoid Cylon, the second of the eight types created by the Final Five. Deeply spiritual and prone to manipulation, every copy took the name Leoben, and the line was all but exterminated in the Cylon Civil War.
- Olaf WillowOlaf Willow was a Monotheist terrorist tied to the Soldiers of the One who took orders from his wife, Sister Clarice Willow. He helped hunt rival cells, chase Zoe Graystone's avatar program, and carry out the Atlas Arena bombing, where he died believing the One True God would save his soul.
- Olympic CarrierThe Olympic Carrier was a Gemenon Liner civilian cruiser that escaped the Fall of the Twelve Colonies with the refugee fleet, only to be destroyed on suspicion of carrying a Cylon nuclear device five days after the exodus began.
- Ophion: the captured gas giant of Helios GammaOphion was a large, frigid gas giant orbiting the star Helios Gamma in the Cyrannus Star System. Studies suggested it was a rogue planet captured by the system, an event that also shifted Ragnar into its present orbit.
- Orion-classThe Orion-class was a class of Colonial assault ships developed decades before the First Cylon War. Armed with battlestar-grade kinetic weapons on a compact hull and fitted with the most advanced stealth coating in the Colonial Navy, it earned the affectionate nickname "pocket battlestar" and served chiefly as a reconnaissance and espionage vessel.
- OsirisThe Osiris was an Orion-class assault ship of the Colonial Fleet during the First Cylon War. Nicknamed the "pocket battlestar," she sacrificed herself ramming a Cylon basestar over the ice planet Djerba as part of the Ghost Fleet Offensive.
- OuranosOuranos was a dense, mineral-rich asteroid belt in the Helios Beta system that separated its inner and outer worlds. Its resources made it a frequent point of conflict between rival colonies.
- PallasPallas was a planet in the Cyrannus star system whose repeated failed kobolforming attempts helped instigate the Imperial Wars and which came under Cylon attack during the First Cylon War.
- PegasusPegasus was a Mercury-class battlestar and one of the most advanced warships in the Colonial Fleet. With Galactica it was one of only two capital ships to survive the Fall of the Twelve Colonies, serving under Rear Admiral Helena Cain before its destruction during the exodus from New Caprica.
- Perseus-typeThe Perseus-type was a Colonial freighter that operated during the interwar period and the Second Cylon War. At least two ships of the type joined the Galactica-led refugee fleet after the Fall of the Twelve Colonies.
- PhilomonPhilomon was a lab technician at Graystone Industries who worked on the U-87 battle robot program. While trying to discover why the prototype could not be copied, he was unknowingly aided by Zoe-A, the consciousness controlling the robot, and was killed when it rebelled.
- Picon 26: ship of the refugee convoyPicon 26 was a colonial ship that survived the initial Cylon attack during the Fall of the Twelve Colonies and joined President Roslin's refugee fleet. Its captain protested the decision to abandon the ships that lacked faster than light drives.
- PiconPicon was a temperate ocean world in the Cyrannus star system and one of the Twelve Colonies of Kobol. Known as "The Ocean Colony", it was an affluent, socially progressive world that hosted Colonial Fleet Headquarters after the Cylon War.
- PolytheismPolytheism was the dominant religion of the Twelve Worlds, originating on Kobol and worshipping many deities known as the Lords of Kobol. Its faith shaped Colonial politics, ritual, and community, and stood in long opposition to the Monotheist belief in a single God.
- Prometheus: civilian freighter and black market hubPrometheus was a civilian cargo ship that survived the Fall of the Twelve Colonies and joined the Galactica-led fleet. For a time it served as the fleet's black market hub, where illicit goods of every kind could be bought and sold.
- PyxisPyxis was a Gemenon Liner 1701-type civilian cruiser that escaped the Fall of the Twelve Colonies in the fleet led by Galactica. It was destroyed in a Cylon ambush in the Ionian Nebula when a Raider crashed into its sublight drive.
- Ragnar AnchorageRagnar Anchorage was a Colonial Fleet supply depot in orbit of the gas giant Ragnar. Semi-abandoned by the time of the Fall, it became the rallying point where Galactica and the civilian fleet rearmed before fleeing into deep space.
- RagnarRagnar was a gas giant in the Cyrannus Star System whose hydrocarbons drove the economies of Canceron and Aerilon. It saw a costly battle early in the Cylon War and later hosted the surplus depot of Ragnar Anchorage.
- Raider Type IThe Raider Type I was the first in the series of Raider space superiority fighters fielded by the Cylon fleet. It served against the Colonial Fleet during the First Cylon War.
- Raider Type IIThe Raider Type II was a Cylon fighter armed with a pair of laser cannons and deployed in large numbers from Cylon basestars. A swarm of more than a hundred was launched against the battlestar Osiris during the Battle of Djerba.
- Raider Type III: Cylon space superiority fighterThe Raider Type III, with the reporting name Sparrow, was a living Cylon attack fighter that entered service after the First Cylon War. A synthetic organism fused to a metallic exoskeleton, it served as the principal starfighter the Cylons fielded against the Colonial Fleet.
- Raptor Mark IIThe Raptor Mark II was a multipurpose spacecraft fielded by the Colonial Fleet during the First Cylon War. It was the only Raptor variant to carry onboard weaponry, and it served in roles ranging from suppression of enemy air defenses to transport.
- Raptor Mark IIIaThe Raptor Mark IIIa was the multipurpose support craft fielded by the Colonial Fleet in the years around the Fall of the Twelve Colonies. An FTL-capable platform crewed by a pilot and an electronic countermeasure officer, it filled the roles of scout, electronic warfare ship, transport, and search and rescue vessel.
- Raptor Mark IIIb HeavyThe Raptor Mark IIIb Heavy was a heavily armed configuration of the Colonial Fleet's multipurpose Raptor. Fitted with wing-mounted kinetic weapons, ventral cannons, missile pods, and nuclear munitions, it served the post-Fall fleet as a gunship and combat support craft.
- Raptor Mark IIIbThe Raptor Mark IIIb was a multipurpose spacecraft of the Colonial Fleet, serving as the standard combat-support vessel alongside Viper fighters and Shuttle transports. Its miniature FTL drive let it operate light years from its mother ship.
- RaptorThe Raptor was a series of multipurpose craft developed by the Colonial Fleet during the First Cylon War. Originally a sublight shuttle, it evolved into an FTL-capable platform flying everything from transport and reconnaissance to search and rescue and armed assault.
- Rear AdmiralRear Admiral was a flag officer rank of the Colonial Fleet. Rear Admirals served beneath Vice Admirals and held command over one of the nine major divisions into which the Fleet was organized.
- Rebel BasestarThe Rebel Basestar was a Cylon basestar that allied with the Colonial Fleet during the Cylon Civil War. Sole survivor of an ambush by the rival faction, it fought alongside humanity at the Battle of the Hub and joined the Fleet in its search for Earth.
- Recon DroneThe Recon Drone was a type of Cylon vessel that entered service after the Cylons' technological evolution in the years following the Cylon War. Its only known encounter with Colonial forces came in the prelude to the Battle of Ragnar Anchorage.
- Resurrection HubThe Resurrection Hub was the central computer processing facility of the Cylon Fleet, the installation that made resurrection technology work. Every resurrection ship depended on its signal, so its destruction ended Cylon immortality for good.
- Resurrection ShipA Resurrection Ship was an FTL-capable Cylon vessel that extended the reach of the resurrection network, downloading the consciousness of dying Cylons into new bodies far beyond the range of the Resurrection Hub.
- ResurrectionResurrection was an advanced computer technology, developed repeatedly across the Cycle of Time, whose underlying purpose was to prolong a sentient being's conscious mind. Long known to the Messengers, it appeared on Kobol, on Earth, on Caprica, and finally among the Cylons.
- Richard AdarRichard Adar was President of the United Colonies of Kobol and Commander-in-Chief of the Colonial Fleet at the time of the Fall of the Twelve Colonies. His administration funded the work that the Cylons exploited to cripple the fleet, and he was killed along with nearly his entire government in the attack.
- Rising StarThe Rising Star was a Colonial hospital ship that escaped the Fall of the Twelve Colonies in the ragtag fleet led by Battlestar Galactica, serving as the convoy's principal medical vessel.
- SagittaronSagittaron was a barren, mountainous world in the Cyrannus star system and one of the Twelve Colonies of Kobol. Settled by Gemenese fundamentalists, it was known for religious isolationism, distrust of modern medicine, and the resentment that fed Tom Zarek's insurgency.
- Salpica: civilian ship of the FleetSalpica was a civilian ship that escaped the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. Its population took part in the presidential election, and the ship later housed Samuel Anders before he moved aboard Galactica.
- Samuel T. AndersSamuel T. Anders was a citizen of the original Earth and one of the Final Five Cylons. Living for years as a human Pyramid star, he led the resistance on occupied Caprica before awakening to his true nature and becoming, in his final role, the Hybrid of Galactica.
- Saul TighColonel Saul Tigh was the executive officer of the battlestar Galactica and William Adama's oldest friend, a hard-drinking and embittered soldier who later discovered he was one of the Final Five Cylons yet never stopped thinking of himself as a Colonial officer.
- Scorpia Traveller: civilian ship of the FleetScorpia Traveller was a civilian ship that escaped the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. More than two weeks after the attack it docked with Galactica, and a Number Five Cylon used the crowd of disembarking civilians to slip aboard the battlestar for a suicide bombing.
- ScorpiaScorpia was a ringed jungle planet of the Cyrannus star system orbiting Helios Gamma, one of the Twelve Colonies of Kobol. A popular vacation resort, it was also home to the Scorpion Fleet Shipyards that built ships for the Colonial Fleet.
- Scorpion Fleet ShipyardsThe Scorpion Fleet Shipyards were a vast orbital shipbuilding installation above Scorpia, a principal builder of Colonial warships from the First Cylon War until they were destroyed in the Fall of the Twelve Colonies.
- SCT-typeThe SCT-type was a series of standardized Colonial transport ships developed during the First Cylon War. At least three SCT-type vessels survived the Fall of the Twelve Colonies and joined the refugee fleet led by President Roslin.
- ScyllaThe Scylla was a civilian freighter, lead ship of the Scylla-type, picked up by the Battlestar Pegasus after the Fall of the Twelve Colonies. Admiral Cain stripped it for spare parts, drafted its useful crew, and abandoned the hull as she pursued the Cylons.
- Sharon AgathonSharon "Athena" Agathon was a Number Eight humanoid Cylon who fell in love with Karl Agathon on occupied Caprica, defected to the Colonial Fleet, and became the first Cylon to openly serve as a Colonial officer.
- Sharon "Boomer" ValeriiSharon "Boomer" Valerii was a Number Eight Humanoid Cylon planted within the Colonial Fleet as a sleeper agent. Awakening to her true nature drove her through betrayal and despair to become a tool of John Cavil, before a final act of redemption.
- Shelly GodfreyShelly Godfrey was a humanoid Cylon of the Number Six model who infiltrated the refugee fleet aboard the Olympic Carrier. Posing as a defence worker, she manufactured forged evidence in a plot to discredit Gaius Baltar, and was airlocked by her own kind after she failed to kill him.
- Simon O'NeillSimon O'Neill was a Number Four who infiltrated Colonial society as a fleet medic. After the Fall of the Twelve Colonies he chose his family over his model and died rather than carry out a Number One's terror plot.
- StealthstarThe Stealthstar was a Colonial infiltration fighter derived from the Viper, used shortly before the Fall of the Twelve Colonies to probe Cylon space across the Armistice Line.
- StrikerStriker was a Colonial Celestra-type research vessel that traveled with the refugee fleet. It collided with the fuel tanker Daru Mozu shortly after the fleet discovered Kobol.
- Styx: planet of the Cyrannus systemStyx was a planet of the Cyrannus star system, orbiting the star Helios Delta. It was a world with a dense reducing atmosphere of carbon dioxide and sulfides, counted among the bodies of the system settled by the people of the Twelve Colonies of Kobol.
- Tad ThoreanTad Thorean was a Caprican youth and Holoband addict who, under the avatar Heracles, helped a sentient program seize control of the virtual underworld of New Cap City before his own avatar was destroyed and permanently banished.
- Tamara-A: the avatar of a lost daughterTamara-A was a sentient artificial intelligence created in the years before the Cylon War through the Avatar Program. Based on Tamara Adams, a girl killed in the Caprica City Maglev bombing, she was conceived as part of a bargain between Daniel Graystone and the Adama family and was abandoned soon after her creation.
- Tauranian TravellerThe Tauranian Traveller was a civilian ship in President Laura Roslin's refugee fleet. In the days after the Fall of the Twelve Colonies its captain tried to abandon the fleet, only to be forced back into formation by Galactica's Vipers. It survived to take part in the election that led to New Caprica.
- TauronTauron was a planet in the Cyrannus star system and one of the Twelve Colonies of Kobol. Known as "The Old Colony", it was a proud, industrious world scarred by famine, civil war and a genocide of its native Ha'la'tha people before falling in the Cylon assault that ended colonial civilization.
- ThanatosThanatos was an inhospitable planet in the Cyrannus star system, the closest world to the star Helios Gamma. Its atmosphere of sulfur dioxide made it unsuitable for kobolforming, and it took its name from a god of death.
- The ColonyThe Colony was a massive space station the Cylons built around the original ship of the Final Five after the First Cylon War, serving as their de facto homeworld. It was destroyed when Galactica raided it to recover the child Hera and it was driven into the accretion disc of a naked singularity.
- Thera SitaThera Sita was a civilian SCT-type shuttle that survived the Fall of the Twelve Colonies and joined the Galactica-led refugee fleet. It took part in the New Caprica elections, and some of its passengers later fell ill with Mellorak infection after transit through the passage.
- Thirteenth Tribe: the lost Cylon people of KobolThe Thirteenth Tribe were a race of cybernetic beings who originated on Kobol and left it to found their own world. They settled Earth, where the sentient machines they built rose against them in a war that ended in mutual destruction.
- Tom ZarekTom Zarek was a Sagittaron political activist and convicted terrorist who rose to become Vice President and briefly President of the United Colonies of Kobol, before being executed for his part in a mutiny aboard Galactica.
- Tora Bashiri: civilian ship of the FleetTora Bashiri was a civilian ship that escaped the Fall of the Twelve Colonies and joined the refugee fleet led by Galactica. Its population took part in the presidential election held among the survivors.
- Tory FosterTory Foster was a political aide to President Laura Roslin and one of the Final Five Cylons. After awakening to her nature she embraced her Cylon self more fully than her companions, a path that led her to murder and to her own violent death.
- Transport 06: the shuttle that carried Adama to GalacticaTransport 06 was a military SCT-type shuttle of the Colonial Fleet. It carried the young Ensign William Adama to his first assignment aboard the battlestar Galactica.
- Troy: the mining world of Helios BetaTroy was the innermost planet of the star Helios Beta in the Cyrannus Star System. Rich in metal, it was extensively mined by Virgon and Leonis until its mining colony was destroyed in a methane explosion that left no survivors.
- Twelve Colonies of KobolThe United Colonies of Kobol, also called the Twelve Colonies of Kobol, was the interplanetary state that represented humanity from the Cylon War until its dissolution upon the settling of the second Earth.
- Unknown Ship (Walden)The Unknown Ship was an unidentified civilian vessel that escaped the Fall of the Twelve Colonies as part of a civilian fleet later encountered by the Battlestar Pegasus.
- Val ChambersVal Chambers was the Minister of Defense of Caprica in the decades before the Cylon War, the official who oversaw the U-87 robot program and who was assassinated by the Ha'la'tha after antagonizing the Tauron crime syndicate.
- Valkyrie-classThe Valkyrie-class was one of the oldest classes of battlestar in Colonial service, a small and versatile warship believed to have served as a light strike and reconnaissance vessel from the Cylon War until the Fall of the Twelve Colonies.
- Viper Mark IThe Viper Mark I was the first generation of Viper space-superiority fighter fielded by the Colonial Fleet, serving primarily during the First Cylon War. Its reliable design became the foundation for every later Viper variant.
- Viper Mark IIThe Viper Mark II was the second generation of Viper space-superiority fighter used by the Colonial Fleet. Its lack of networked systems left it immune to Cylon hacking, allowing recommissioned museum pieces to fight on after the Fall of the Twelve Colonies.
- Viper Mark IIIThe Viper Mark III was the third generation of the Colonial Viper series of space-superiority fighters, introduced near the end of the First Cylon War as the successor to the Mark II. A single-pilot multi-role strike ship, its design influenced every later Viper up to the advanced Mark VII.
- Viper Mark VIIaThe Viper Mark VIIa was the seventh generation of the Colonial Fleet's space-superiority fighter, fielded in the years before the Fall of the Twelve Colonies. Its networked computers and Command Navigation Program left almost all of its kind vulnerable to a Cylon remote shutdown during the Fall.
- Viper Mark VIIbThe Viper Mark VIIb was a space-superiority fighter flown by the Colonial Fleet in the years before the Fall of the Twelve Colonies. The seventh generation of Viper, it refined the earlier Mark VIIa with a reshaped, more oval nose.
- Virgon Express-typeThe Virgon Express-type was a class of flattop maintenance vessel that traveled with the refugee fleet after the Fall of the Twelve Colonies. A ship of the class was among the first vessels found by President Roslin's Colonial One.
- Virgon ExpressThe Virgon Express was a maintenance vessel that joined the refugee fleet led by Galactica before it left the Cyrannus Star System. It survived an early Cylon sabotage of Galactica's water tanks and remained a regular presence in the fleet for years.
- VirgonVirgon was a temperate world in the Cyrannus star system and one of the Twelve Colonies of Kobol. Once the seat of a dominant interplanetary empire, the "Imperial" colony was ruled by a royal family and was destroyed in the Cylon assault on the Twelve Worlds.
- William AdamaWilliam "Husker" Adama was a Colonial Fleet officer who commanded the battlestar Galactica through the Fall of the Twelve Colonies. His refusal to network the ship spared it from the Cylon attack, and alongside President Laura Roslin he led the survivors of humanity in search of a new home.
- Wireless: the Colonial communication technologyWireless was the Colonial term for communication systems that linked stations without any physical connection. It spanned short range ship to ship and planet to ship contact as well as the longer range broadcasts of Colonial news and entertainment.
- ZephyrThe Zephyr was an Intersun luxury liner and the largest civilian ship to survive the Fall of the Twelve Colonies, carrying the greatest number of survivors of any vessel in the fleet apart from the battlestars.
- ZeusZeus was a vast gas giant in the Cyrannus star system and the largest planet in Cyrannus. Two of its many moons, Hebe and Nike, possessed breathable atmospheres.
- Zoe-AZoe-A was a sentient artificial intelligence created by the Caprican prodigy Zoe Graystone as a digital recreation of herself. Through a damaged chip placed in the U-87 battle robot, the program from which she sprang came to underlie every mechanical Cylon built before and during the Cylon War.
- Zoe GraystoneZoe Graystone was a Caprican computing prodigy and one of the earliest pioneers of Cylon technology. The daughter of Daniel and Amanda Graystone, she created a digital recreation of her own consciousness, Zoe-A, that would shape the future of artificial life.