List of extraterrestrials in fiction

Tom

An Old Friend
Joined
Dec 6, 2004
Location
Gulf Coast
A

The Anti-Monitor DC Comics
The Alien Satyajit Ray's The Alien and Banku Babu's Friend
Aziam Battlelords of the 23rd Century
Azgonians Perry Rhodan
Azathoth Cthulhu Mythos
Axons Doctor Who
Axanars Star Trek
Autons Doctor Who
Autobot Transformers
Auronar Blake's 7
Aurelians Advent Rising
Atevi C. J. Cherryh's Foreigner series Humanoid
Atavus Earth: Final Conflict Humanoid
Asurans Stargate Atlantis
Aslan Traveller RPG Feline humanoid
Asgard Stargate SG-1 Humanoid
Aschen Stargate SG-1 Humanoid
Asari Mass Effect
Arquillians Men in Black
Arnor Galactic Civilizations II: Dread Lords
Arkonides Perry Rhodan
Ark Megaforms Noon Universe
Arisians and Eddorians E. E. Smith's Lensman novels
Arilou Lalee'lay Star Control Humanoid - 'Grey' Alien
Argolin Doctor Who Humanoid
Arcturians Star Trek
Arceans Galactic Civilizations
Arcadians Star Trek
Arburian Pelarota Ben 10
Arbryls Ascendancy
Aras Perry Rhodan
Arachnoids Serious Sam: The First Encounter Scorpion-like
Arachnids Battlelords of the 23rd Century
Aquatoids X-COM: Terror from the Deep
Aqualish Star Wars
Anticans Star Trek
Antedeans Star Trek
Antarians Imperium Galactica II: Alliances
Antarans Master of Orion II
Anodite Ben 10 Alien Force
Annihilus Marvel Comics native of the Negative Zone
Angosians Star Trek
Angol Mois Sgt. Frog
Androsynth Star Control
Andromeni Battlelords of the 23rd Century
Andorians Star Trek Humanoid. Blue skin, white hair, antennae
Andalites K. A. Applegate's Animorphs Centaur-like, with non-poisonous scorpion tails, and blue fur
Ancients Farscape
Ancients Freespace Technologically advaced beings that were wiped out several thousand years ago. Unknown physical description.
Ancients Stargate SG-1 Humanoid, physically indistinguishable from humans
Anabis The Voyage of the Space Beagle by A. E. van Vogt
Amorphs Schlock Mercenary
Amnioni Stephen Donaldson's The Gap Cycle Humanoid
Amaut C. J. Cherryh's Alliance-Union universe
Altarians Galactic Civilizations Humanoid
Allasomorph Star Trek
Alkari Master of Orion
Akritirians Star Trek
Akaali Star Trek
Airlia Area 51 novel series by Robert Doherty Humanoid, see moai
Affront Iain M. Banks' Excession
Aeodronians Battlelords of the 23rd Century
Aenar Star Trek Telepathic Humanoid
Advents (aka Uranus or the Creators) Guyver
Adipose Doctor Who Humanoid
Acquarans Farscape Humanoid
Acamarian Star Trek
Abyormenites Hal Clement's Cycle of Fire floating balloons
Abh Crest of the Stars Genetically-enhanced humans
Aalaag Gordon R. Dickson's Way of the Pilgrim
Aaamazzarite Star Trek

B

Name ↓ Source ↓ Type ↓
Baalols Perry Rhodan
Babel fish The Hitchhiker's Guide to the Galaxy A small yellow leech-like fish that telepathically translates all languages into one the wearer knows after inserting it in their ear. Universal Translator.
Badoon Marvel Comics
Bailies Cleopatra 2525 machine race that conquered Earth
Bajorans Star Trek Humanoid
Ba'kus Star Trek
Baliflids Ascendancy
Ballchinnian Men in Black II
Balmarians Super Robot Wars
Bandersnatchi Larry Niven's Known Space Artificially engineered single-celled gastropod, twice the size of a brontosaurus. Slaver's meat animal, sentient. Agree to be hunted for sport in exchange for currency to purchase mechanical arms. Asexual reproduction, impervious to genetic degradation or mutation.
Bandi Star Trek Humanoid
Banik Farscape Humanoid
Banthas Star Wars
Barkonides Perry Rhodan
Barzans Star Trek
Beings of the Extra Terrestrial origin which is Adversary of human race Muv-Luv
Benjari Battlelords of the 23rd Century
Benzites Star Trek
Berellians Star Trek
Berserkers Fred Saberhagen's Berserker series
Berubelans Anachronox
Betazoid Star Trek Humanoid
Bgztlans DC Comics' Legion of Super-Heroes
Bionicles Bionicle
Bioroids Intense Stories
Bith Star Wars
Bjorn Space Quest
Black Arms Shadow the Hedgehog Humanoid
Black Cloud Fred Hoyle interstellar dust cloud
Black Oil The X-Files
Blastaar Marvel Comics native of the Negative Zone
Blisk Destroy All Humans! 2
Bolians Star Trek Humanoid
Boolite Farscape Humanoid
Borg Star Trek A race of cybernetically enhanced life forms from the Delta Quadrant of the Milky Way Galaxy. Able to assimilate any and all life form into their collective hive-mind and able to addapt to all forms of offensive capability instantly.
Bothans Star Wars Humanoid
Braalians DC Comics' Legion of Super-Heroes
Bradicor Schlock Mercenary
Brains The Adventures of Jimmy Neutron: Boy Genius (Win, Lose and Kaboom)
Breen Star Trek Humanoid
Bricker Star Trek
Briori Star Trek
Brood Marvel Comics
Brunnen G LEXX Humanoid
Brunali Star Trek
Brutes (Jiralhanae) Halo Pack mentality humanoids of great phyical standing. Part of a larger group known as the "Covenant" Intensely loyal to their religious beliefs, intent to completely wipe out human race.
Budong Farscape
Bugs from Klendathu Starship Troopers
Bulrathi Master of Orion
Buggers Ender's Game series A hive mind species resembling insects. Invaded Earth twice before being destroyed at their home world by Andrew 'Ender' Wiggin.
Bynars Star Trek

C

Name ↓ Source ↓ Type ↓
Caitians Star Trek: The Animated Series Feline humanoid
Calamarain Star Trek
Caleban Frank Herbert's Whipping Star invisible telepathic beings who are actually the minds of stars
Calcinites X-COM: Terror from the Deep
Caliban C. J. Cherryh's Alliance-Union universe
Capelons Ascendancy
Caponians Zak McKracken and the Alien Mindbenders
Cardassians Star Trek Reptilian Humanoid
Carggites DC Comics' Legion of Super-Heroes
Carrionites Doctor Who Humanoid
Cat Red Dwarf Felis Sapiens. Evolved over the course of three million years in deep space, from a domesticated housecat.
Cathar Star Wars
Cat People Marvel Comics Feline humanoid
Catalytes Utopia
Catteni Anne McCaffrey's Catteni Series
Cavaliers Tommy & PJ
Celareon Conquest: Frontier Wars
Celatids X-COM: UFO Defense
Celestials Marvel Comics
Centauri Babylon 5 Humanoid
Centrans Christopher Anvil's Pandora's Planet stories Feline humanoids
Ceti eels Star Trek II: The Wrath of Khan bug-like ear parasites from Ceti Alpha V
Chaethe Kathy Tyers's One Mind's Eye
Chalnoths Star Trek
Chamachies Ascendancy
Changelings Star Trek
Chaos Independence War, aka I-War, and Independence War 2: Edge of Chaos
Charrids Farscape Humanoid
Chatilians Battlelords of the 23rd Century Humanoid
Cheblons Imperium Galactica II: Alliances
Cheela Dragon's Egg inhabitants of neutron star
Chelonians Doctor Who novels
Chenjesu Star Control
Chevanno Utopia
Chi C. J. Cherryh's Chanur novels
Chigs Space: Above and Beyond
Chimera Resistance: Fall of Man
Chimera Sui Generis Ben 10
Chinger Bill, the Galactic Hero
Chiss Star Wars
Chmmr Star Control
Cho-choi Jack McDevitt's Infinity Beach
Chozo Metroid Bird-like species. Extremely technologically advanced and spread out across the galaxy.
Chronian Ben 10: Race Against Time Looks just like a human. They have vast Time manipulation powers and able to create Energy beams.
Chronomyst Ascendancy
Chryssalids X-COM: UFO Defense
Cicadian Mark Leach's Marienbad My Love Insectoid
Cinnrusskin James White's Sector General series
Cirronians Tracker
Cizerack Battlelords of the 23rd Century
Clairconctlar Star Control 3
Clutch Turtles Liaden universe
Cocytans The Dig
Coeurl The Voyage of the Space Beagle by A. E. van Vogt
Cognocenti Star Trek
Colatas Farscape Humanoid
Cole Tracker
Colonists The X-Files
Colour out of space H. P. Lovecraft
Coluans DC Comics' Legion of Super-Heroes
Combine Half-Life 2 an alien empire; note: many of the "Combine" seen in the game are actually humans that have been assimilated or collaborate as brutal police troopers
Coneheads Saturday Night Live Humanoid with conical heads
Coola (Cooler) Dragon Ball Z
Coreeshi Farscape Humanoid
Coridanite Star Trek Humanoid
Corporal Giroro Sgt. Frog
Corvallen Star Trek Reptilian Humanoid
Covenant, The Halo Collective of alien species who are allied with each other, Comprised of Grunts, Brutes, Elites, Hunters, Jackals, and Prophets. Religious Hierarchy with intent to destroy the Human Race.
Creators Nexus: The Jupiter Incident
Crites Critters films carnivorous hairballs
Crypto Destroy All Humans!
Cryons Doctor Who Humanoid
Ctarl-Ctarl Outlaw Star
Cthulhi Cthulhu Mythos
Cthulhu Cthulhu Mythos
Cybermen Doctor Who
Cybertronians Transformers Large robots able to change their shape at will into other mechanical constructs. Known more commonly as Transformers.
Cybyota Orion's Arm
Cylons Battlestar Galactica Sentient robots. Remnants of a civilization of reptilian aliens (also known as Cylons) in the original series, but created by humans in the remake series. Both mechanical and biological flesh-and-blood versions co-exist, with the biological versions in charge.
Cynoid Master of Orion III
Cyrollan The Journeyman Project

D

Name ↓ Source ↓ Type ↓
Daemonites Wildstorm
Dakkamites Marvel Comics Humanoid
Daktaklakpak Star Control 3
Daleks Doctor Who squid-like lifeforms inside tanks
The Dance Marvel Comics Humanoid
Dantari Star Wars
Darjakr'Ul Utopia
Dark Eldar Warhammer 40,000 Humanoid
Darloks Master of Orion
Darrians Traveller RPG
Darzok Haegemonia: Legions of Iron
Daxamites DC Comics Humanoid
Decapodian Futurama Lobster people. Bright red, with tenticals over thier mouths. When they mate, they die horribly.
Decepticon Transformers Faction of Cybertronians who are opposed to Autobots. Ill intent for human race.
DearS DearS Humanoid
Deep Ones H. P. Lovecraft
Deep Ones X-COM: Terror from the Deep
Defiance Genesis Rising band of many different races
Delphons The History of the Galaxy series
Deltans Star Trek Humanoid
Delvians Farscape Humanoid - Similar to humans in appearance, but evolved from plants. Blue, bald, Sensitive to sunlight, procreate through air-borne spores.
Demiurg Warhammer 40,000
Deneans Farscape Humanoid
Denebians Star Trek
Deng Keith Laumer's Bolo series Arachnoids
Denobulans Star Trek Humanoid
Dentics Farscape Gastropod / Slug-like. Symbiotic relationship, used for dental hygiene purposes: This small animal thoroughly cleans the teeth of the user in a short amount of time.
Dentrassis The Hitchhiker's Guide to the Galaxy
Deoxys Pokémon
Dessarians Tracker
Detrovite Ben 10
Devaronian Star Wars
Devastators One Mind's Eye
Devilukean To Love-Ru Humanoid
Dilbians The Law-Twister Shorty and other stories by Gordon Dickson Ursinoid
Dnyarri Star Control
Dog Red Dwarf Humanoid Canine
Dom Kavash Freelancer
Dominators DC Comics Humanoid
Dominators Doctor Who
DomZ Beyond Good and Evil
Doog Star Control 3
the Doublers Stanisław Lem's Eden two-in-one semi-humanoid
Douwd Star Trek
Draaknaars Thor series
Dracs Barry B. Longyear's Enemy Mine and The Enemy Papers
Draconians Doctor Who reptilian humanoid
Draenei World of Warcraft
Drahvins Doctor Who Humanoid
Draic Kin The Longest Journey, Dreamfall
Drak Farscape
Drakh Babylon 5 and Crusade
Drath Galactic Civilizations: Altarian Prophecy
Drayan Star Trek
Dread Lords Galactic Civilizations II: Dread Lords
Drej Titan A.E.
Drengin Galactic Civilizations
Drones (Yanme'e) Halo Flying creatures, appear insectoid. Part of Covenant Hierarchy, ill intent towards humans.
Druuge Star Control Humanoid
Dugs Star Wars
Duos from Uranus Space Patrol (1962)
Dubtaks Ascendancy
Durlans DC Comics' Legion of Super-Heroes
Duros Star Wars
Dyson Aliens Peter F. Hamilton's "Pandora's Star"
Ectonurite Ben 10

E

Name ↓ Source ↓ Type ↓
Edo Star Trek
Ego the Living Planet Marvel Comics
Ekhonides Perry Rhodan
El-Aurians Star Trek Humanoid
Eldar Warhammer 40,000 Humanoid
Elder Gods Cthulhu Mythos
Elder Thing Cthulhu Mythos
Eldorians Utopia
Electrogoomba Super Mario Galaxy Evolutionized species of a Goomba, the species is divided into different variants
Elerians Master of Orion II Humanoid
Elites (Sangheili) Halo Technologically superior race of military supremacy. Mainstay of Covenant military until philosophical differences removed them from the Hierarchy. They allied themselves to Humans to combat Covenant. Uncertain allies to humans.
Elvis Perfect Dark Grey
Engineers (Huragok) Halo Maintain Halo Rings, not officially part of covenant. Large, pink, squid like creatures. No real threat to Humanity other than maintaining the Halo Rings, which ARE a threat to humanity.
Eoladi Master of Orion III
Energy Rider Farscape
Ep-Hogers Perry Rhodan
Eridani Battlelords of the 23rd Century Humanoid
Eschiff London Wild Feline Humanoid
Esmers Little Big Adventure 2
E.T E.T. the Extra-Terrestrial
Ethereals X-COM: UFO Defense
Exobot Star Trek
Exquivan Star Control 3
Evon Master of Orion III Humanoid
Ewoks Star Wars Humanoid

F

Name ↓ Source ↓ Type ↓
Face of Boe, The Doctor Who
Face Dancers Dune universe
Falleen Star Wars
Felysians Noctis
Fek'Ihri Star Trek
Fendahl Doctor Who worm-like lifeform
Ferengi Star Trek Humanoid. Diminutive stature, huge ears, civilization revolves around personal profit. Male-dominated culture, with subservient females.
Ferronans Perry Rhodan
Festival Singularity Sky by Charles Stross
Fithp Larry Niven's Footfall "Baby Elephants"
Flatcats Robert A. Heinlein's The Rolling Stones, compare Tribble
Fleeblebroxians Chip 'n' Dale's Rescue Rangers Partially-telekinetic shape-shifters
Floaters X-COM: UFO Defense
Flood Halo A species that intends to assimilate all of existence into its hive mind. Controlled by a single 'Gravemind'. Primary Antagonist of Halo Series. Halo Rings created to subdue and defend against flood.
Florauna Ben 10
Fludentri Ascendancy
Foamasi Doctor Who reptilian humanoids
Foralbo Utopia
Ford Prefect The Hitchhikers Guide to the Galaxy
Forerunners Halo Created Halo Rings, increadibly advanced technologically, but uncertain how far. Never encountered by Humans.
Forerunners The History of the Galaxy series)
The Forest of Cheem Doctor Who plant-like humanoids
Formics Ender Wiggins cycle by Orson Scott Card A hive mind species resembling insects. Invaded Earth twice before being destroyed at their home world by Andrew 'Ender' Wiggin.
Fotiallian Star Trek
Fott Battlelords of the 23rd Century
Frieza Dragon Ball Z
Frutmaka Ascendancy
F'sherl-Ganni Schlock Mercenary, also called 'Gatekeepers'
Furbls Battlelords of the 23rd Century
Furlings (one of the Four Great Races) Stargate SG-1
Furons Destroy All Humans! Humanoid
Futars Dune universe

G

Name ↓ Source ↓ Type ↓
Gadmeer Stargate SG-1
Gaim Babylon 5
Galactus Marvel Comics
Galaxoid Calvin and Hobbes
Galvan Ben 10
Galvanic Mechomorph Ben 10
Gamilons/Gamilus Space Battleship Yamato/Star Blazers Humanoid
Gamorrean Star Wars
Gand Star Wars
Ganymean James P. Hogan's Giants Series Large technologically advanced humanoids
Gaols Titan A.E.
Garthlings David Brin's Uplift Universe
The Gelth Doctor Who wraith-like humanoids
GELF Red Dwarf Genetically Enhanced Life Form -- a wide variety of artificial 'aliens' created by human scientists. Some are humanoid, others are not. All life in the Red Dwarf universe originated on Earth, there are no true aliens of extraterrestrial origins.
Gemini Battlelords of the 23rd Century
Geonosian Star Wars
Geth Mass Effect
Gethenians Ursula K. Le Guin's Ekumen stories) and other races
Ghamans Perry Rhodan
Ghosts Nexus: The Jupiter Incident
Gigan Godzilla films
Gill Men X-COM: Terror from the Deep
G'keks David Brin's Uplift Universe
Gladifers Dennis Paul Himes
Glapum'tians Valérian and Laureline
Gloarft Megas XLR
Gnaar Serious Sam: The First Encounter
Gnolams Master of Orion II
Gnosis Xenosaga
Goa'uld Stargate SG-1
Godan Imperium Galactica II: Alliances
Gonzo The Muppets
Goola-Goola Battlelords of the 23rd Century
Gorlocks Win, Lose and Kaboom
Gorg Nexus: The Jupiter Incident
Gorn Star Trek
Goszuls Perry Rhodan
Gourmand Ben 10
Govorom Ascendancy
Gowachin Frank Herbert's ConSentiency universe)
G.R.A.I.S.E. Melonpool
Grans Star Wars Humanoid
The Graske Doctor Who Humanoid
Great Race of Yith H. P. Lovecraft
Grendarl Master of Orion III
Gretchin/Grotz Warhammer 40,000 Humanoid
Greys popular mythology
Grogs Larry Niven's Known Space
Grudeks Farscape Humanoid
Grue Pitch Black Humanoid
Grunds Marvel Comics Humanoid
Grundos Neopets
Grunts (Unggoy) Halo Short creatures, mostly used as fodder for bigger creatures in Covenant. Breath a gas native to their homeworld.
Guardians of the Universe DC Comics Humanoid
Gubru David Brin's Uplift Universe
Gungans Star Wars

H

Name ↓ Source ↓ Type ↓
H'Harn Edmond Hamilton's Star Kings series
Haggunenons The Hitchhiker's Guide to the Galaxy
Halflings Dances in the Snow, Genome
Hallessi Harry Turtledove's Worldwar book series a subject species of the Race
Hallucinoids X-COM: Terror from the Deep
Halosians Farscape Humanoid
Hangi Farscape Humanoid
Hani C. J. Cherryh's Chanur novels
Hanshaks Ascendancy
Harammins The History of the Galaxy series)
Harika Star Control 3
Haydonites Robotech
Headcrabs Half-Life
Headies Noon Universe
Heechee Frederik Pohl
Herald Star Control 3
Hermat Star Trek
High Ones Elfquest Humanoid
Hiigarans Homeworld Humanoid
Hirogen Star Trek
Hisa C. J. Cherryh's Alliance-Union universe
Hivers Sword of the Stars
Hivers Traveller RPG modified starfish
Hoka Poul Anderson and Gordon R. Dickson teddy-bears imitating human history
Hooloovoo The Hitchhiker's Guide to the Galaxy
Hoon David Brin's Uplift Universe
Horda Doctor Who
Hork-Bajir K. A. Applegate's Animorphs Large, reptillian fighting machines with large blades at each of their joints and on their heads. Often referred to as 'salad mixers'.
Horta Star Trek
Howard the Duck Marvel Comics
Hrossa C. S. Lewis' Ransom Trilogy Humanoid
Hunters (Lekgolo) Halo Large creatures of immence strength and stature. They are made of hundreds if not thousands of worms formed together to make a single mind. Part of the Covenant Hierarchy.
Hunters Star Trek
Hur'q Star Trek Humanoid
Hutts Star Wars
Husnock Star Trek
Hydrans Star Trek Humanoid
Hydrogues Saga of the Seven Suns Live in gas giants
Hykraius DC Comics' Legion of Super-Heroes
Hynerians Farscape Slug-like. The Hynerian empire governs many worlds, some of which have humanoid inhabitants

I

Name ↓ Source ↓ Type ↓
Iberons Imperium Galactica II: Alliances
Ibs Robert J. Sawyer's Starplex
Ice Warriors Doctor Who humanoid
Iconians Galactic Civilizations II: Dread Lords
Iconians Star Trek
Iduve C. J. Cherryh's Alliance-Union universe
Ikrini Battlelords of the 23rd Century
Ilanics Farscape Humanoid
Ilwrath Star Control
Imsaeis Master of Orion
Imskians DC Comics' Legion of Super-Heroes
Ing Metroid Prime 2:Echoes Beings native to a dark mirror demension. Some can change into forms relating to solid, liquid, and gasseous states. They have the ability to possess and corrupt both living and dead creatures. Main enemy to Luminoth.
Insects The History of the Galaxy series
Interions Farscape Humanoid
Invid/Inbit Robotech: The New Generation and their counterparts from Genesis Climber Mospeada crab-like
Irkens Invader Zim Humanoid
Isanians Perry Rhodan
Ishtarians Poul Anderson's Fire Time
Ithanites Star Trek
Ithkul Master of Orion III
Ixtl The Voyage of the Space Beagle by A. E. van Vogt

J

Name ↓ Source ↓ Type ↓
Jaffa Stargate SG-1
Jaridians Earth: Final Conflict Humanoid
Jawa Star Wars
Jem'Hadar Star Trek
Jenova Final Fantasy 7
Jezzedaic Priests Battlelords of the 23rd Century
Jiralhanae Halo Known more commonly as Brutes. Part of Covenant Hierarchy.
Jjaro Marathon Trilogy
J'naii Star Trek
Jocaceans Farscape Humanoid
Jophur David Brin's Uplift Universe
Jotoki Larry Niven's Known Space
Joozian South Park
Judoon Doctor Who rhino-like Humanoid

K

Name ↓ Source ↓ Type ↓
Kadi Star Trek
Kafers 2300 AD Humanoid
Kaleds Doctor Who Humanoid
Kalish Farscape Humanoid
Kal-Kriken Utopia
Kalliran C. J. Cherryh's Alliance-Union universe
Kambuchka Ascendancy
Kanamit To Serve Man (The Twilight Zone) Humanoid
Kang and Kodos The Simpsons Squid-like. Green, single-eyed squids intent on conquering Earth
Karemma Star Trek Humanoid
Kariak Haegemonia: Legions of Iron
Kazon Star Trek Humanoid
Kdatlyno Larry Niven's Known Space
Kerons Sgt. Frog
Key-Guardians Utopia
King Ghidorah Godzilla films
Kineceleran Ben 10
Kharaa Natural Selection
Kherubim Wildstorm
Khunds DC Comics Humanoid
Khurtarnan Farscape Humanoid
Kif C. J. Cherryh's Chanur novels
Kig-yar Halo
Kilaaks Destroy All Monsters
Kilrathi Wing Commander games)
Kizanti Battlelords of the 23rd Century Humanoid
Kimera Earth: Final Conflict
King Cold Dragon Ball Z
Kivar Roswell
Klaestron Star Trek
Klackons Master of Orion
Kleer Skeleton Serious Sam: The First Encounter
Klingons Star Trek Humanoid
Knnn C. J. Cherryh's Chanur novels
Koozbanians The Muppet Show
Korath Galactic Civilizations II: Dark Avatar
Korbinites Marvel Comics
Korx Galactic Civilizations: Altarian Prophecy
K-PAXians K-PAX
Kra'hen Imperium Galactica II: Alliances
Krakeds Battlelords of the 23rd Century
Kree Marvel Comics Humanoid
Kreel Star Trek
Kreely Schlock Mercenary
Kreetassan Star Trek
Krell Forbidden Planet
Krenim Star Trek
Kriken Metroid Prime Hunters
Krith Richard C. Meredith's Timeliner Trilogy
Krogan Mass Effect
Kromaggs Sliders
Kroot Warhammer 40,000
Krynn Galactic Civilizations II: Dark Avatar
Krynn The Journeyman Project 2: Buried in Time
Krynoids Doctor Who
Kryptonians Superman Humanoid
Kryten Red Dwarf Series 4000 Mechanoid
Kssthrata Schlock Mercenary
K'tang Star Control 3
Ktarian Star Trek
Kulturan The Sinusoidal Spaghetti
Kymellians Marvel Comics Humanoid body with horses head
Kymnar FTL:2448 RPG
Kyo C. J. Cherryh's Foreigner series
Kyulek O.R.B: Off-World Resource Base
Kzinti Larry Niven's Known Space series and Star Trek: The Animated Series Felinoid - large bi-pedal tigers. Male: Kzintosh, Female: Kzinrett. Aggressive space-faring carnivores, with sub-sapient females

L

Name ↓ Source ↓ Type ↓
Lallorans DC Comics' Legion of Super-Heroes
Lance Corporal Dororo Sgt. Frog
Laxidasians Marvel Comics Humanoid
Lectroids The Adventures of Buckaroo Banzai Across the Eighth Dimension
Leerans K. A. Applegate's Animorphs
Lekgolo Halo
Leoniders Noon Universe Humanoid
Lepidopterran Ben 10
Leviathan Farscape Bio-mechanoid (Artificially engineered, living sentient spaceship. Capable of natural procreation)
Liir Sword of the Stars
Limax Ben 10
Lipul Star Trek
Lithians James Blish's A Case of Conscience
Livrai Joe Haldeman's Mindbridge
Lk (fungi type alien) Star Control 3
Loboan Ben 10
Lobster Men X-COM: Terror from the Deep
Locust Gears of War Aliens that seem to origionate from beneath the surface of the earth. Intent to destroy humanity.
Logrians The History of the Galaxy series
Lohvo Sluggy Freelance
Lombaxes Ratchet & Clank
Loomi Space Patrol creatures inhabiting Jupiter with heat-retaining skins
Lucratians Utopia
Luminoth Metroid Prime 2: Echoes Peaceful race that worships "Light of Aether." Fight against Ing for control of homeworld. Only a single Luminoth is ever encountered, known as U-Mos.
Lunarians Final Fantasy IV
Lurian Star Trek
Lurmans Doctor Who Humanoid
Luxans Farscape Humanoid
Ly-Cilph The Night's Dawn Trilogy
Lycocians Star Trek
Lyrans Star Fleet Universe

M

Name ↓ Source ↓ Type ↓
M-113 Creature Star Trek
Macra Doctor Who Crustacoid
Magog Andromeda
Mahendo'sat C. J. Cherryh's Chanur novels
Maians Perfect Dark
Majat C. J. Cherryh's Alliance-Union universe
Malons Star Trek
Mangalores The Fifth Element Humanoid
Mantis Conquest: Frontier Wars
Marklars South Park
Marmosians Ascendancy
Martians H. G. Wells' The War of the Worlds
Martians Edgar Rice Burroughs's Barsoom series Humanoid
Martians Marvin the Martian from Looney Tunes and Duck Dodgers
Martians Premendra Mitra's Mangalbairi (The Martian Enemies)
Martians Ray Bradbury's The Martian Chronicles Humanoid
Martians Aelita (1924 movie) Humanoid
Martians Mars Attacks (Topps trading cards) and Mars Attacks! (Tim Burton movie) Humanoid
Martians Quatermass and the Pit
Martians Larry Niven's Known Space
Martian Manhunter DC Comics
Masters The Tripods
Mazians Battlelords of the 23rd Century
Mebes Ascendancy
Medusans Star Trek
Meehooks Fusion comic book series dinosaurs with fur
Megawhatt Ben 10
Meklars Master of Orion
Melconians Keith Laumer's Bolo series canine-like humanoids
Melmacians ALF
Melnorme Star Control
Melotians Melonpool
Menoptra Doctor Who
Mentors Doctor Who
Merseians Technic History by Poul Anderson
Mesklinites Hal Clement's Mission of Gravity millipede-like
Methorians Barrington J. Bayley's Zen Gun gaseous giant-giant dwellers
Metroid Metroid series
Metrons Star Trek
Microman Microman
Micronoids X-Com: Apocalypse Sentient parasitic bacteria
Minbari Babylon 5 Humanoid
Minions Ascendancy
Minosians Star Trek
Mintakans Star Trek
Miradorn Star Trek
Misha Battlelords of the 23rd Century Humanoid
Mmrnmhrm Star Control
Mon Calamari Star Wars
Mondoshawan The Fifth Element Humanoid
Monoids Doctor Who
The Mooninites Aqua Teen Hunger Force (individually: Igninokt and Err)
Mork Mork and Mindy
Morlocks H. G. Wells' The Time Machine
Morlocks Larry Niven's Known Space
Moroks Doctor Who Humanoid
Mor-Taxans War of the Worlds (TV series - first season)
Morthren War of the Worlds (TV series - second season)
Movellans Doctor Who
Moxx of Balhoon Doctor Who Humanoid
Mri C. J. Cherryh's Faded Sun trilogy Humanoid
Mr. Saturn EarthBound
Mrrshan Master of Orion
Mudokons Oddworld series
Mutons X-COM: UFO Defense
Mutzachans Battlelords of the 23rd Century Humanoid
Muuh Orion's Arm
Mycon Star Control
The Mysterons Captain Scarlet and the Mysterons

N

Name ↓ Source ↓ Type ↓
Naglon Doctor Who Humanoid
Nairnama Independence War, aka I-War
Namekian Dragon Ball Humanoid
Narn Babylon 5 Humanoid
Nausicaans Star Trek
Neadlehead Win, Lose and Kaboom
Nebari Farscape Humanoid
Nebular Calvin and Hobbes
Necris Unreal tournament
Necrons Warhammer 40,000
Nemet C. J. Cherryh's Alliance-Union universe
Nephilim Wing Commander: Prophecy
Neptunians Futurama Humanoid
Neutrals Futurama Humanoid
New Gods The Fourth World in DC Comics
New Orions Master of Orion III
Nicassar Warhammer 40,000
Niea Niea 7
Nietzscheans Andromeda
Nihilanth Half-Life
Nimbuloids Ascendancy
N'Kull Advent Rising
Nitros Oxide Crash Bandicoot series
Nodulians Tracker
Nomads Freelancer
Nomes Terry Pratchett's The Bromeliad
Nommo Master of Orion
Nox Stargate SG-1 Humanoid
Nyronds passim in the works of Zander Nyrond; occasionally in those of his "brother" Soren

O

Name ↓ Source ↓ Type ↓
Oans DC Comics Humanoid
Oannes Babylonian mythology Humanoid
Oankali Octavia Butler's Xenogenesis series
Ob'enn Schlock Mercenary
Ocampa Star Trek Humanoid
Oculons Ascendancy Humanoid
Ogri Doctor Who
Ogrons Doctor Who Humanoid
Old Ones Warhammer 40,000
Omicronians / Popplers Futurama
Ood Doctor Who Humanoid
Optera Doctor Who
Orandoans DC Comics' Legion of Super-Heroes
Orfa Ascendancy
Organians Star Trek
Ori Stargate SG-1 Humanoid, Ascended to a higher plain of existence in non-corporial form
Orion Star Trek
Orion Rogues Battlelords of the 23rd Century
Orions Master of Orion
Orkans Mork and Mindy
Orks Warhammer 40,000 Humanoid
Orsians Tracker
Ortheans Mary Gentle's Golden Witchbreed Humanoid
Ortog Star Control
Orz Star Control
Outsiders Larry Niven's Known Space
Overlords Childhood's End by Arthur C. Clarke
Owa Star Control 3

P

Name ↓ Source ↓ Type ↓
Paan'uri Schlock Mercenary Dark matter entities
Pah Wraith Star Trek
Pak, a.k.a. Protectors Larry Niven's Known Space books Humanoid, with three distinct life stages. First stage: Child, Second Stage: Breeder (known on earth as Homo Erectus), Third Stage: Protector, (superintelligent, could not survive on earth)
Pakled Star Trek
Parillatians Utopia
Pascalenes Utopia
Pascians Battlelords of the 23rd Century
Peliar Zel Star Trek
Pemalites K. A. Applegate's Animorphs
Pequeninos Orson Scott Card's Speaker for the Dead
Petrosapien Ben 10
Pfifltrig C. S. Lewis' Ransom Trilogy
Pfhor Marathon Trilogy
Phagors Brian W. Aldiss's Heliconia series Humanoid
Phalanx Marvel Comics
Phentari Battlelords of the 23rd Century
Phibians Dune universe
Phleebhutinskis Space Quest
Phtagurs Metabarons
Pierson's Puppeteers Larry Niven's Ringworld and Known Space series three legs, armless, two manipulative heads, brain in torse. Evolved from herbivorous herd animals. Most technologically advanced species in Known Space.
Pilots Farscape Crustaceanoid
Pinkunz Space Quest
Pisciss Volanns Ben 10
Pkunk Star Control
Ploxis Star Control 3
Polymorph Red Dwarf
Porquinhos Orson Scott Card's Speaker for the Dead Humanoid
Posleen John Ringo's "Legacy of the Aldenata"
tans The High Crusade
"Predator" aliens Predator movie series
Primes Peter F. Hamilton's "Commonwealth Saga"
Private Tamama Sgt. Frog
Progenitors David Brin's Uplift Universe
Prophets (San 'Shyuum) Halo
Prophets Star Trek
Proteans AdventureQuest morphing metallic blobs
Protheans Mass Effect
Protoss StarCraft
Psilons Master of Orion
Psirens Red Dwarf Shape Changing GELFs
Psychlos Battlefield Earth Humanoid
Psychons Space: 1999
Dremer Gene Brewer's K-PAX
Protoculture Macross series
Polionation Tech Sims 2
The Puppet Masters Robert A. Heinlein book of the same name
Purple Aliens It's Walky!
Pyrians Gene Rodenberry's Andromeda Methane breathing squid-like race
Pyronite Ben 10
Pyroviles Doctor Who Humanoid
Python Lizards Battlelords of the 23rd Century

Q

Name ↓ Source ↓ Type ↓
Q Star Trek
Quarks Doctor Who
Quarren, a.k.a. "Squid Heads" Star Wars
Quintaglio Robert J. Sawyer
Quintesson Transformers
Qou'thalas The Journeyman Project 3: Legacy of Time
Quarians Mass Effect
Qwardians DC Comics

R

Name ↓ Source ↓ Type ↓
Raas Master of Orion III
Rabotevs Harry Turtledove's Worldwar book series a subject species of the Race
Race, The Moreau Series Amoeboid
The Race Harry Turtledove's Worldwar book series Reptilian
Rachni Mass Effect
Raiel Peter F. Hamilton's "Pandora's Star"
Rako-Gorda Utopia
Ram Pythons Battlelords of the 23rd Century
Rancors Star Wars
Raptors Nexus: The Jupiter Incident
Raxacoricofallapatorians Doctor Who
Re'ol Stargate SG-1 Humanoid
Reapers Doctor Who
Reapers X-COM: UFO Defense
Reapers Mass Effect
Regul C. J. Cherryh's Alliance-Union universe
Relgarians Farscape Humanoid
Remans Star Trek
Replicators Stargate SG-1 Artificial lifeform. Two variants are known to exist, either in a small mechanical insect shape as well as full humanoid
Re'tu Stargate SG-1
Rigellians (Simpsons) (including Kang and Kodos) The Simpsons
Rigellians Lensman books barrel-shaped with four tentacular arms and four stubby legs
Riim The Voyage of the Space Beagle by A. E. van Vogt
Rills Doctor Who
Rimerunner Expedition
Rimmer Red Dwarf Hologram-humanoid
Risa Star Trek
Robotech Masters Robotech
Rodians Star Wars
Rogue Simulants Red Dwarf Humanoid
Roger the Alien American Dad
Romulans Star Trek Humanoid
Rull The War against the Rull by A. E. van Vogt
Rutans Doctor Who
Ryqril Timothy Zahn's The Blackcollar

S

Name ↓ Source ↓ Type ↓
Saiyan Dragon Ball Z Humanoid
Sakkra Master of Orion
Sal-Kadeem Utopia
Salarians Mass Effect
Sandworm Dune universe
Sangheili Halo
San 'Shyuum Halo
Sariens Space Quest
Sarturians Utopia
Sau-Bau Battlelords of the 23rd Century
Scarrans Farscape Humanoid
Schniarfeurs Valérian and Laureline
Scorvians Farscape Humanoid
Scrin Command & Conquer
Sebaceans Farscape Humanoid. Genetically engineered off-shoot of humans, harvested from Earth 27.000 years ago. Lower heat resistance than humans, but double the average life expectancy
Second through Last Men Olaf Stapledon's Last and First Men
Sectoids X-COM: UFO Defense
Seekers Advent Rising
Selay Star Trek
Selkath Star Wars Humanoid
Seraphim Supreme Commander
Sergeant Keroro Sgt. Frog
Sergeant Major Kururu Sgt. Frog
Séroni Space Trilogy Humanoid
Shadows Babylon 5 Arachnid, capable of phase-shifting to turn invisible
Shalka Doctor Who
Sharrh C. J. Cherryh's Alliance-Union universe
Sheeda Grant Morrison's Seven soldiers of Victory megaseries
Sheliak Star Trek
Shevar Ascendancy
Sheyangs Farscape
Shi'ar Marvel Comics Humanoid
Shinari Imperium Galactica II: Alliances
Shingouz Valérian comics
Shivans Descent: FreeSpace – The Great War
Shoggoths H. P. Lovecraft
Shofixti Star Control
Shonunin C. J. Cherryh's Alliance-Union universe
Shroobs Mario & Luigi: Partners in Time
Silacoids X-COM: UFO Defense
Silicoids Master of Orion
Silfen Peter F. Hamilton's "Pandora's Star" Humanoid
Silver Surfer Marvel Comics
Sirians Serious Sam: The First Encounter
Skaarj Unreal (series)
Skedar Perfect Dark
Skinnies Starship Troopers Arachnoids
Skolarians Zak McKracken and the Alien Mindbenders
Skrulls Marvel Comics
Slavers (see Thrint) Larry Niven's Known Space
Slitheen Doctor Who
Sludge Ben 10
Slylandro Star Control
Snakemen X-COM: UFO Defense
Snarks Marvel Comics
Snotlings Warhammer 40,000 Humanoid
Snovemdomas Ascendancy
Solaris Stanisław Lem's Solaris
Solomon Family 3rd Rock from the Sun
Solon Haegemonia: Legions of Iron
Son'a Star Trek
Sontarans Doctor Who Humanoid
Soomanii Utopia
Sorn C. S. Lewis' Ransom Trilogy
Soro David Brin's Uplift Universe
Sosiqui The Journeyman Project 3: Legacy of Time
Space Pirates Metroid series
Spathi Star Control
Species 8472 Star Trek
Spiridons Doctor Who
Spirits Stargate SG-1 Humanoid
Splixson Ben 10
S'pht Marathon Trilogy
Spock Star Trek
Spoo Babylon 5
Squirps Super Paper Mario
Squiz-Quijy Utopia
Strogg Quake II and Quake 4
Stsho C. J. Cherryh's Chanur novels
Suliban Star Trek Humanoid
Sun-Dog Terry Pratchett's Dark side of the Sun Large sentient beings that live in the vacuum of space. Capable of traveling through hyperspace. Any object they engulf will travel through hyperspace with them. The Sub-Dog species operate a successful business transporting spaceships across vast distances for other races in exchange for currency.
Superman Superman I-IV & Superman Returns
Supox Star Control
Serrakin Stargate SG-1 Humanoid
Swaparamans Ascendancy
Sycorax Doctor Who Humanoid
Sye-Men Battlelords of the 23rd Century
Sykarians Farscape Humanoid
Syreen Star Control Humanoid

T

Name ↓ Source ↓ Type ↓
Taalo Star Control
Taelons Gene Roddenberry's Earth: Final Conflict Humanoid
Tachidi Master of Orion III
Tagorians Noon Universe
Tai Genome
Taiidan Homeworld Humanoid
Tak Tak Star Trek
Talan Outcast
Talarians Star Trek
Talaxians Star Trek Humanoid
Tallerians Warhammer 40,000
Talokians DC Comics' Legion of Super-Heroes
Talosians Star Trek
Tamarians Star Trek
Tandarans Star Trek
Tandu David Brin's Uplift Universe
Tanndai Techknights Battlelords of the 23rd Century
Tarellians Star Trek
Tarentateks Star Wars
Tarkans Farscape Humanoid
Tarkas Sword of the Stars
Tasoth X-COM: Terror from the Deep
Tatanga Super Mario Land Humanoid
Tau Warhammer 40,000 Humanoid
Tavleks Farscape Humanoid
Taxxons K. A. Applegate's Animorphs
Tc'a C. J. Cherryh's Chanur novels
Technarchy Marvel Comics
Tecreseans Battlelords of the 23rd Century
Tellarites Star Trek
Temarkians Utopia
Tenctonese Alien Nation
Tenebrians Hal Clement's Close to Critical
Tentaculats X-COM: Terror from the Deep
Terellian Star Trek Humanoid
Terileptils Doctor Who
Terran Final Fantasy IX
Terra Novans Star Trek
Terrelian Star Trek Humanoid
Terrellian Star Trek Humanoid
Terrians Earth 2 Humanoid
Tetramand Ben 10
Tetraps Doctor Who
Thals Doctor Who
Thalan Galactic Civilizations II: Dread Lords
Thalonian Star Trek
Than-Thre-Kull Andromeda Insectoids
Thanagarians DC Comics
Thargoids Elite
Thasian Star Trek
Therbian (See Aaamazzarite) Star Trek
Thep Khufan Ben 10
Therons Dan Dare stories
Tholians Star Trek
Thraddash Star Control
Thranx Alan Dean Foster's Humanx Commonwealth series
Thrint Larry Niven's Known Space
Tiberians Buzz Aldrin and John Barnes' Encounter With Tiber
Tilikanthua Utopia
Time Lords of Gallifrey Doctor Who Humanoid
Titanians DC Comics' Legion of Super-Heroes
Titanides John Varley's Gaea-trilogy
T'Lani Star Trek
Tleilaxu Dune universe
Tnuctip Larry Niven's Known Space
Toclafane Doctor Who
Tok'ra Stargate SG-1
Toku'star Ben 10
Tollan Stargate SG-1
Toluen Imperium Galactica II: Alliances
Torians Galactic Civilizations
Trabe Star Trek Humanoid
Tractators Doctor Who
Traeki David Brin's Uplift Universe
Tralfamadorians Kurt Vonnegut's The Sirens of Titan and Slaughterhouse 5
Tran Alan Dean Foster's Icerigger
Transylian Ben 10
Transylvanians Rocky Horror Picture Show
Transformers Transformers
Trandoshans Star Wars
Traskans Farscape Humanoid
Treecats David Weber's Honorverse
Treens Dan Dare stories
Tribbles Star Trek (compare with the earlier flatcats from Robert A. Heinlein's The Rolling Stones)
Triceraton Teenage Mutant Ninja Turtles
Triscenes X-COM: Terror from the Deep
Trilarians Master of Orion II
Trills Star Trek
Trillions Nicholas Fisk small collective crystals
Trinocs Larry Niven's Known Space
Tromites DC Comics' Legion of Super-Heroes
Tsufurujin Dragon Ball
Tsung Valérian and Laureline
Tunnel Makers Einstein's Bridge Aquatic/Shape shifting
Tusken Raiders Star Wars Humanoid
Turians Mass Effect
Twi'leks Star Wars Humanoid
Twinsunians Little Big Adventure
Tyranids Warhammer 40,000
Tzenkethi Star Trek

U

Name ↓ Source ↓ Type ↓
Umgah Star Control
Unas Stargate SG-1
Uncreated Marvel Comics
Unggoy Halo
Ungooma Ascendancy
Uniocs Schlock Mercenary
Unity Superman: The Animated Series
Ur-Quan Kzer-Za Star Control
Ur-Quan Kohr-Ah Star Control
Utrom Teenage Mutant Ninja Turtles
Uryuoms El Goonish Shive
U'tani Star Trek
Utwig Star Control Humanoid

V

Name ↓ Source ↓ Type ↓
Vaadwaur Star Trek
Vademon Digimon
Vanacancia Utopia
Varga plants Doctor Who
Vardians Tracker
Vardrag Nexus: The Jupiter Incident
Vasudans Descent: FreeSpace – The Great War Humanoid
Vegetaliens Tommy and PJ
Velantians Lensman books
Venek Farscape Humanoid
Venom and Carnage Marvel Comics
Venom grubs Doctor Who
Vervoids Doctor Who
Vespids Warhammer 40,000
Vhorwed Schlock Mercenary
Vidiians Star Trek
Vilani Traveller RPG
Viltrumites Invincible
Vineans Yoko Tsuno comic Humanoids with blue skin
Visitors V
Vogons The Hitchhiker's Guide to the Galaxy
Vok Beast Wars
Vorc Farscape Humanoid
Vorcarian bloodtracker Farscape Humanoid
Vorlons Babylon 5
Vorta Star Trek Humanoid
Vortex life forms Ecco the Dolphin
Vorticon Commander Keen Humanoid
Vortigaunt Half-Life Humanoid
Vortisaurs Doctor Who audio dramas
Voth Star Trek
Vroarscans Utopia
Vulcans Star Trek Humanoid
Vulpimancer Ben 10
VUX Star Control
Vyro-Ingo Star Control 3

W

Name ↓ Source ↓ Type ↓
Wadi Star Trek
Waldahudin Robert J. Sawyer's Starplex
Wanderers Noon Universe
Wang's Carpets Greg Egan's Diaspora
The Watcher Marvel Comics
Waterseekers Red Planet
Weeping Angels Doctor Who Humanoid
Weevils Torchwood Humanoid
Whrloo Larry Niven's Known Space
Willis the Bouncer Red Planet
Winathians DC Comics' Legion of Super-Heroes
Wirrn Doctor Who
Wolfweeds Doctor Who
Wogneer Star Trek
Wookiees Star Wars Humanoid
Wraith Stargate Atlantis Humanoid
W'rkncacnter Marathon Trilogy

X

Name ↓ Source ↓ Type ↓
Xandarians Marvel Comics Humanoid
Xanthuans DC Comics' Legion of Super-Heroes
Xarians Battlelords of the 23rd Century
Xarquids X-COM: Terror from the Deep
Xchagger Star Control
Xel'Naga StarCraft
Xenomorphs Alien movies
Xenexian Star Trek
Xilians Invasion of Astro-Monster and Godzilla: Final Wars
Xindi Star Trek Humanoid
X-Nauts Paper Mario: The Thousand-Year Door
Xorda Archie Comics' Sonic the Hedgehog comics
X Parasites Metroid Fusion
Xyrillian Star Trek

Y

Name ↓ Source ↓ Type ↓
Yag-Kosha Robert E. Howard's The Tower of the Elephant humanoid elephant
Yanme'e Halo
Yautja Predator
Yeerks K. A. Applegate's Animorphs slug-like parasitic
Yehat Star Control
Yeti Doctor Who
Yilane West of Eden series of Harry Harrison
Yip-Yips Sesame Street
Yoda Star Wars
Yolkians Jimmy Neutron
Yomingans Schlock Mercenary
Yor Galactic Civilizations
Yorn Star Control 3
Yridian Star Trek
Yugopotamians The Fairly Oddparents
Yuki Nagato The Melancholy of Haruhi Suzumiya
Yuuzhan Vong Star Wars Humanoid

Z

Name ↓ Source ↓ Type ↓
Zabrak Star Wars Humanoid
Zakdorns Star Trek
Zaldans Star Trek
Zalkonians Star Trek
Zaphod Beeblebrox The Hitchhiker's Guide to the Galaxy
Zarbi Doctor Who
Zenetan Farscape Humanoid
Zenn-Lavians Marvel Comics Humanoid
Zen Rigeln Battlelords of the 23rd Century Humanoid
Zentradi Macross, adapted as the Zentraedi in Robotech Humanoid
Zen-Whoberis Marvel Comics Humanoid
Zerg StarCraft
Zhodani Traveller RPG
Zinoboppians Melonpool
General Zod Superman II
Zoq-Fot-Pik Star Control
Zorgons Sluggy Freelance
Zorgons Zathura
Zygons Doctor Who Humanoid​
 
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