List of extraterrestrials in fiction
Encyclopedia : L : LI : LIS : List of extraterrestrials in fiction
This is a list of extraterrestrial species that have appeared in various works of fiction featuring aliens.
- List of named species:
- Works of fiction featuring unnamed alien races
- See also
- References
List of named species
A
- Abe (Abe's Oddysee)
- Abh (Crest of the Stars)
- Abyormenites (Hal Clement's Cycle of Fire (floating ballons - one race, that is))
- Acquarans (Farscape)
- Advents (Guyver) (rumored to be groups of different aliens, also known as Uranus or the Creators)
- Aeodronians (Battlelords of the 23rd Century)
- Affront (Iain M. Banks' Excession)
- Amaut (C. J. Cherryh's Alliance-Union universe)
- Amnioni (Stephen Donaldson's The Gap Cycle)
- Amorphs (Schlock Mercenary)
- Anabis (The Voyage of the Space Beagle by A. E. van Vogt)
- Ancients (Farscape)
- Ancients (Stargate SG-1)
- Andalites (K. A. Applegate's Animorphs)
- Andorians (Star Trek)
- Andromeni (Battlelords of the 23rd Century)
- Angosians (Star Trek)
- Androsynth (Star Control)
- Angol Mois (Sgt. Frog)
- Annihilus (native of the Negative Zone (Marvel Comics))
- The Anti-Monitor (DC Comics)
- Antedeans (Star Trek)
- Arachnids (Battlelords of the 23rd Century)
- Aras (Perry Rhodan)
- Arcturians (Star Trek)
- Arilou (Star Control)
- Argolin (Doctor Who)
- Arkonides (Perry Rhodan)
- The Arisians and Eddorians (E. E. Smith's Lensman novels)
- Asgard (Stargate SG-1)
- Atevi (C. J. Cherryh's Foreigner series)
- Aurelians (Advent Rising)
- Auronar (Blake's 7)
- Autobot ()
- Autons (Doctor Who)
- Azgonians (Perry Rhodan)
- Aziam (Battlelords of the 23rd Century)
- Azurite (Iffix Y Santaph's StarFrost (See links at Chizora))
B
- Baalols (Perry Rhodan)
- Babel fish (Douglas Adams's Hitchhiker's Guide series)
- Badoon (Marvel Comics)
- Bailies (machine race that conquered Earth in Cleopatra 2525)
- Bajorans (Star Trek)
- Ba'kus (Star Trek)
- Balmarians (Super Robot Wars)
- Bandersnatchi (Slaver's meat animal in Larry Niven's Known Space
- Bandi (Star Trek)
- Banik (Farscape)
- Barkonides (Perry Rhodan)
- Banthas (Star Wars)
- Beings of the Extra Terrestrial origin which is Adversary of human race (Muv-Luv)
- Benjari (Battlelords of the 23rd Century)
- Benzites (Star Trek)
- Berserkers of Fred Saberhagen's Berserker series)
- Betazoid (Star Trek)
- Bgztlans (DC Comics' Legion of Super-Heroes)
- Black Cloud (Fred Hoyle (interstellar dust cloud))
- Blastaar (native of the Negative Zone (Marvel Comics))
- Bolians (Star Trek)
- Boolite (Farscape)
- Borg (Star Trek)
- Bothans (Star Wars)
- Braalians (DC Comics' Legion of Super-Heroes)
- Bradicor (Schlock Mercenary)
- Breen (Star Trek)
- Brood (Marvel Comics)
- Brunnen G (Lexx)
- Budong (Farscape)
- Bugs from Klendathu (Starship Troopers)
- Buggers (See Formics.)
- Bynars (Star Trek)
- Black Arms (Shadow The Hedgehog (video game))
C
- Caleban (Frank Herbert's Whipping Star (invisible telepathic beings who are actually the minds of stars)
- Caliban (C. J. Cherryh's Alliance-Union universe)
- Cardassians (Star Trek)
- Carggites (DC Comics' Legion of Super-Heroes)
- Cat People (comics)
- Catalytes (Utopia)
- Catteni (Anne McCaffrey's Catteni Series)
- Celestials (Marvel Comics)
- Centauri (Babylon 5)
- Ceti eels (—bug-like ear parasites from Ceti Alpha V)
- Centrans (Christopher Anvil's Pandora's Planet stories)
- Chalnoths (Star Trek)
- Changelings (Star Trek)
- Chaos (Independence War, aka I-War, and )
- Charrids (Farscape)
- Chatilians (Battlelords of the 23rd Century)
- Chelonians (Doctor Who novels)
- Chenjesu (Star Control)
- Chevanno (Utopia)
- Chi (C. J. Cherryh's Chanur novels)
- Chigs ()
- Chizora (Iffix Santaph's StarFrost)
- Chmmr (Star Control)
- Cho-choi (Jack McDevitt's Infinity Beach)
- Chozo (Metroid)
- Cirronians(Tracker)
- Cinnrusskin (James White's Sector General series)
- Cizerack (Battlelords of the 23rd Century)
- Clutch Turtles (Liaden universe)
- Coeurl (The Voyage of the Space Beagle by A. E. van Vogt)
- Colatas (Farscape)
- Cole ("Tracker")
- Colour out of space (H. P. Lovecraft)
- Coluans (DC Comics' Legion of Super-Heroes)
- Combine (an alien empire in Half-Life 2 - note: many of the "Combine" seen in the game are actually humans that have been assimilated or collaborate as brutal police troopers)
- Coneheads - Native inhabitants of the planet Remulak they are recognized by their distinctive craniums which are roughly conical in shape.
- Coreeshi (Farscape)
- Corporal Giroro (Sgt. Frog)
- The Covenant (collection of religiously-motivated allied species in the Xbox/PC game )
- Crites (carnivorous hairballs of the Critters films)
- Cryons (Doctor Who)
- Ctarl-Ctarl (Outlaw Star)
- Cybermen (Doctor Who)
- Cybertrons("The Transformers")
- Cybyota (Orion's Arm)
- Cylons (Battlestar Galactica)
D
- Daemonites (Wildstorm)
- Dakkamites (Marvel Comics)
- Daleks (Doctor Who)
- The Dance (Marvel Comics)
- Darjakr'Ul (Utopia)
- Dark Eldar (Warhammer 40,000)
- Darrians (Traveller RPG) known for their small, high-technology polity)
- Daxamites (DC Comics)
- Decepticon ()
- Deep Ones (H. P. Lovecraft)
- Delvians (Farscape)
- Deneans (Farscape)
- Denebians (Star Trek)
- Denobulans (Star Trek)
- Dentics (Farscape)
- Dentrassis ("Hitchhikers Guide to the Galaxy")
- Deltans (Star Trek)
- Dessarians(Tracker)
- Diamondhead (Ben 10)
- Dnyarri (Star Control)
- Dominators (DC Comics)
- Dominators (Doctor Who)
- the Doublers (two-in-one semi-humanoids of Stanisław Lem's Eden)
- Dracs (Barry B. Longyear's Enemy Mine and The Enemy Papers)
- Draconian (Doctor Who)
- Drahvins (Doctor Who)
- Draic Kin (The Longest Journey, Dreamfall)
- Draaknaars (Thor series)
- Drak (Farscape)
- Drakh (Babylon 5 & Crusade)
- Druuge (Star Control)
- Duos from Uranus (Space Patrol (1962 TV series))
- Durlans (DC Comics' Legion of Super-Heroes)
- Dugs (Star Wars)
- Dyson Aliens (Peter F. Hamilton's "Pandora's Star")
E
- Edo (Star Trek)
- Ego the Living Planet (Marvel Comics)
- Ekhonides (Perry Rhodan)
- Eldar (Warhammer 40,000)
- El-Aurians (Star Trek)
- Elder Gods (Cthulhu Mythos)
- Elder Things (Cthulhu Mythos)
- Eldorians (Utopia)
- Elitians
- Energy Rider (Farscape)
- Ep-Hogers (Perry Rhodan)
- Eridani (Battlelords of the 23rd Century)
- Esmers (Little Big Adventure 2, they are divided into four races: Sups, Francos, Wannies and Mosquibees)
- E.T (Extra Terrestrial being in the movie "E.T. The Extra-Terrestrial")
- Ewoks (Star Wars)
F
- The Face of Boe (Doctor Who)
- The Fendahl (Doctor Who)
- Ferengi (Wheeling and dealing humanoids from Star Trek)
- Ferronans (Perry Rhodan)
- Festival (Singularity Sky by Charles Stross)
- Flatcats (Robert A. Heinlein's novel The Rolling Stones, compare Tribble)
- Foamasi (Doctor Who)
- Foralbo (Utopia)
- The Forest of Cheem (Doctor Who)
- Formics (Ender Wiggins cycle by Orson Scott Card).
- Fott (Battlelords of the 23rd Century)
- F'sherl-Ganni (Schlock Mercenary, also called 'Gatekeepers')
- Furbls (Battlelords of the 23rd Century)
- Furlings (Stargate SG1 -- member of the Four Great Races)
- Furons (Destroy All Humans!)
- Fithp ("Baby Eliphants" from Larry Niven's Footfall)
G
- Gaim (Babylon 5)
- Galactus (Planet-devouring force of nature in Marvel Comics)
- Galaxoid (Calvin and Hobbes by Bill Watterson)
- Garthlings (David Brin's Uplift Universe)
- The Gelth (Doctor Who)
- Gemini (Battlelords of the 23rd Century)
- Gethenians (Ursula Le Guins Ekumen stories) and other races
- Ghamans (Perry Rhodan)
- Gigan from the Godzilla films
- G'keks (David Brin's Uplift Universe)
- Gladifers (Dennis Paul Himes)
- Gloarft (Megas XLR)
- Goa'uld (Stargate SG-1)
- Gonzo (The Muppets)
- Goola-Goola (Battlelords of the 23rd Century)
- Gorn (Star Trek)
- Goszuls (Perry Rhodan)
- Gowachin (Frank Herbert's stories)
- Grans (Star Wars)
- The Graske, (Doctor Who)
- Great Race of Yith (H. P. Lovecraft)
- Grogs (Larry Niven's Known Space)
- Grudeks (Farscape)
- G.R.A.I.S.E. (Melonpool)
- Greys (popular mythology)
- Grunds (Marvel Comics)
- Guardians of the Universe (natives of the planet Oa, creators and administrators of the Green Lantern Corps in DC Comics)
- Gubru (David Brin's Uplift Universe)
- Gungans (Star Wars)
- Gnosis (Xenosaga)
H
- Halflings (Dances in the Snow, Genome)
- Hallessi (Harry Turtledove's Worldwar book series, a subject species of The Race.)
- Halosians (Farscape)
- Hangi (Farscape)
- Hani (C. J. Cherryh's Chanur novels)
- Headies (Noon Universe)
- Heechee (Frederik Pohl)
- Hirogen (Star Trek)
- Hisa (C. J. Cherryh's Alliance-Union universe)
- Hivers (Traveller RPG (modified starfish))
- Hooloovoo (Hitchhiker's Guide series by Douglas Adams)
- Hoon (David Brin's Uplift Universe)
- Horda (Doctor Who)
- Hork-Bajir (K. A. Applegate's Animorphs)
- Horta (Star Trek)
- Howard the Duck (Marvel Comics)
- Hur'q (Star Trek)
- Hutts (Star Wars)
- Hupyrian (Star Trek)
- Husnock (Star Trek)
- Hydrans (Star Trek)
- Hykraius (DC Comics' Legion of Super-Heroes)
- Hynerians (Farscape)
I
- Ibs (Robert J. Sawyer's Starplex)
- Ice Warriors (Doctor Who)
- Iconian (Star Trek)
- Iduve (C. J. Cherryh's Alliance-Union universe)
- Ikrini (Battlelords of the 23rd Century)
- Ilanics (Farscape)
- Ilwrath (Star Control)
- Imskians (DC Comics' Legion of Super-Heroes)
- Interions (Farscape)
- Invid/Inbit (Flower of Life hunting conquerors of Earth from Robotech: The New Generation and their counterparts from Genesis Climber Mospeada)
- Irkens (Invader Zim)
- Isanians (Perry Rhodan)
- Ishtarians (Poul Anderson's Fire Time)
- Ixtl (The Voyage of the Space Beagle by A. E. van Vogt)
J
- Jaffa (Stargate SG-1)
- Jem'Hadar (Star Trek)
- Jenova (Final Fantasy 7)
- Jezzedaic Priests (Battlelords of the 23rd Century)
- J'naii (Star Trek)
- Jocaceans (Farscape)
- Jotoki (Larry Niven's Known Space)
K
- Kafers (2300AD)
- Kaleds (Doctor Who)
- Kalish (Farscape)
- Kal-Kriken (Utopia)
- Kalliran (C. J. Cherryh's Alliance-Union universe)
- Karrema (Star Trek)
- Kazon (Star Trek)
- Kdatlyno (Larry Niven's Known Space)
- Kerons (Sgt. Frog)
- Key-Guardians (Utopia)
- Kherubim (Wildstorm)
- Khunds (DC Comics)
- Khurtarnan (Farscape)
- Kif (C. J. Cherryh's Chanur novels)
- Kilaaks (Destroy All Monsters)
- Kilrathi (Wing Commander games)
- Kizanti (Battlelords of the 23rd Century)
- Klingons (Star Trek)
- Knnn (C. J. Cherryh's Chanur novels)
- Koozbanians (The Muppet Show)
- Korbinites (Marvel Comics)
- K-PAXians (K-PAX)
- Krakeds (Battlelords of the 23rd Century)
- Kren (See Chizora)
- Kree (Marvel Comics)
- Kreely (Schlock Mercenary)
- Krith (Richard C Merediths 'Timeliner Trilogy')
- Kromaggs (Sliders)
- Kroot (Warhammer 40,000)
- Krynoid (Doctor Who)
- Kryptonians (DC Comics)
- Kssthrata (Schlock Mercenary)
- Kymnar ( RPG)
- Kymellians (Horse head w/ humanoid body; Marvel Comics)
- Kyo (C. J. Cherryh's Foreigner series)
- Kyulek ()
- Kzinti (Larry Niven's Known Space series and )
L
- Lallorans (DC Comics' Legion of Super-Heroes)
- Lance Corporal Dororo (Sgt. Frog)
- Laxidasians (Marvel Comics)
- Lectroids (The Adventures of Buckaroo Banzai Across the Eighth Dimension)
- Leerans (From Animorphs by K. A. Applegate)
- Leviathan (Farscape)
- Lithians (James Blish's A Case of Conscience)
- Lombaxes (Ratchet & Clank)
- Loomi (Space Patrol} creatures inhabiting Jupiter with heat-retaining skins.
- Lucratians (Utopia)
- Lunarians (Final Fantasy IV)
- Lurmans (Doctor Who)
- Luxans (Farscape)
- Ly-Cilph (The Night's Dawn Trilogy)
- Lyrans (Star Fleet Universe)
M
- M-113 (Star Trek)
- Macra (Doctor Who)
- Mahendo'sat (C. J. Cherryh's Chanur novels)
- Majat (C. J. Cherryh's Alliance-Union universe)
- Martians
- *H. G. Wells' The War of the Worlds
- *Edgar Rice Burroughs's Barsoom series
- *Ray Bradbury's The Martian Chronicles
- *Aelita (1924 movie)
- *Mars Attacks! (Topps trading cards and Tim Burton movie)
- *Quatermass and the Pit (BBC science-fiction television serial)
- *Larry Niven's Known Space
- *... and many others
- Masters (The Tripods)
- Mazians (Battlelords of the 23rd Century)
- Meehooks (the comic book series Fusion, "dinosaurs with fur")
- 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 (species) (Metroid series)
- Microman
- Minbari (Babylon 5)
- Mon Calamari (Star Wars)
- Minosian (Star Trek)
- Mintakan (Star Trek)
- Miradorn (Star Trek)
- Misha (Battlelords of the 23rd Century)
- Mmrnmhrm (Star Control)
- Mondoshawan (The Fifth Element)
- The Mooninites (individually: Igninokt and Err) (Aqua Teen Hunger Force)
- Monoids (Doctor Who)
- Mork ("Mork and Mindy")
- Morlocks
- *H. G. Wells' The Time Machine
- *Larry Niven's Known Space
- Moroks (Doctor Who)
- Mor-Taxans (the aliens from the first season of War of the Worlds)
- Morthren (the aliens in the second season of War of the Worlds)
- Movellans (Doctor Who)
- Moxx of Balhoon (Doctor Who)
- Mri (C. J. Cherryh's Faded Sun trilogy)
- Mudokons (Oddworld series)
- Mutzachans (Battlelords of the 23rd Century)
- Muuh from Orion's Arm
- Mycon (Star Control)
N
- Naglon (Doctor Who)
- Nairnama (Independence War, aka I-War)
- Narn (Babylon 5)
- Namekian (Dragon Ball)
- Nausicaans (Star Trek)
- Nebari (Farscape)
- Nebular (Calvin and Hobbes by Bill Waterson)
- Necrons (Warhammer 40,000)
- Nemet (C. J. Cherryh's Alliance-Union universe)
- Neutrals (Futurama)
- New Gods (From the planets Apokolips and New Genesis, from The Fourth World in DC Comics)
- Niea (Niea 7)
- Nietzscheans (Andromeda)
- Nihilanth (Half-Life)
- Nodulians (Tracker)
- Nox (Stargate SG-1)
- Nomes (Terry Pratchett's The Bromeliad)
- N'Kull (Advent Rising)
- Nyronds (passim in the works of Zander Nyrond; occasionally in those of his "brother" Soren)
O
- Oankali (Octavia Butler's Xenogenesis series)
- Ob'enn (Schlock Mercenary)
- Ocampa (Star Trek)
- Ogri (Doctor Who)
- Ogrons (Doctor Who)
- Omicronians / Popplers (Futurama)
- Optera (Doctor Who)
- Orandoans (DC Comics' Legion of Super-Heroes)
- Orsians (Tracker)
- Orion Rogues (Battlelords of the 23rd Century)
- Orks (Warhammer 40,000)
- Orkans (Mork and Mindy)
- Ortheans (Mary Gentle's Golden Witchbreed) androgynous until puberty
- Outsiders (Larry Niven's species from Known Space
- Overlords (Childhood's End by Arthur C. Clarke)
- Orz (Star Control)
P
- Paan'uri (the Dark Matter Entities from Schlock Mercenary)
- Pak (or Protectors) - Larry Niven's Known Space books (The superintelligent adult form of homo habilis; human Protectors are even more intelligent.)
- Pakled (Star Trek)
- Parillatians (Utopia)
- Pascalenes (Utopia)
- Pascians (Battlelords of the 23rd Century)
- Peliar Zel (Star Trek)
- Phagors (Brian W. Aldiss's Heliconia series)
- Phalanx (Marvel Comics)
- Phtagurs (Metabarons)
- Pierson's Puppeteers (Larry Niven's Ringworld and Known Space series (three legs, two manipulative heads))
- Pilots (Farscape)
- Pkunk (Star Control)
- Pequeninos (Orson Scott Card's Speaker for the Dead)
- Posleen (John Ringo's "Legacy of the Aldenata")
- Phentari (Battlelords of the 23rd Century)
- Pr?*tans (The High Crusade)
- "Predator" aliens (See Yautja.)
- Primes (Peter F. Hamilton's "Commonwealth Saga")
- Private Tamama (Sgt. Frog)
- Progenitors (David Brin's Uplift Universe)
- Prophets (Star Trek)
- Protoss (StarCraft)
- Psychlos (Battlefield Earth)
- Psychons ()
- Prot (Gene Brewer's K-PAX)
- Protoculture (Macross series (advanced race who engineered humans and Zentradi))
- The Puppet Masters
- Purple Aliens (It's Walky!; according to their leader, 'Alien' is the name of their homeworld in their own language)
- Python Lizards (Battlelords of the 23rd Century)
Q
- Q (Star Trek)
- Quarks (Doctor Who)
- Quarren ("Squid Heads") (Star Wars)
- Quintesson ()
- Qwardians (DC Comics)
R
- Rabotevs (Harry Turtledove's Worldwar book series, a subject species of The Race.)
- Race, The ((Moreau Series) Amoeboid aliens that attempt to hide on an Earth where genetic engineering has been rampant.)
- The Race (Harry Turtledove's Worldwar book series, a reptillian species that had conquered two planets and attacked "Tosev 3" (Earth) in 1942.)
- Rako-Gorda (Utopia)
- Ram Pythons (Battelords of the 23rd Century)
- Re'tu (Stargate SG-1)
- Reapers (Doctor Who)
- Regul (C. J. Cherryh's Alliance-Union universe)
- Relgarians (Farscape)
- Remans (Star Trek)
- Replicators (Stargate SG-1)
- Rigellians (Simpsons) (The Simpsons) (including Kang and Kodos)
- Rigellians ((Lensman books) which are 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)
- Risan (Star Trek)
- Rodians (Star Wars)
- Romulans (Star Trek)
- Rull (The War against the Rull by A. E. van Vogt)
- Rutans (Doctor Who)
S
- Sal-Kadeem (Utopia)
- Sandworm (Dune)
- Saiyan (Dragon Ball)
- Sarturians (Utopia)
- Mr. Saturn (EarthBound)
- Sau-Bau (Battlelords of the 23rd Century)
- Scarrens (Farscape)
- Scorvians (Farscape)
- Scrin (Command & Conquer)
- Sebaceans (Farscape)
- Second through Last Men (Olaf Stapledon's Last and First Men)
- Sergeant Keroro (''Sgt. Frog'
- Sergeant Major Kururu (Sgt. Frog)')
- Shadows (Babylon 5)
- Sharrh (C. J. Cherryh's Alliance-Union universe)
- Sheeda (Grant Morrison's Seven soldiers of Victory megaseries)
- Sheliak (Star Trek)
- Sheyangs (Farscape)
- Shi'ar (Marvel Comics)
- Shingouz ( comics)
- Shivans ()
- Shoggoths (H. P. Lovecraft)
- Shofixti (Star Control)
- Shonunin (C. J. Cherryh's Alliance-Union universe)
- Shroobs (
- Silver Surfer (Marvel Comics)
- Skaarj (Unreal Tournament)
- Skedar (Perfect Dark)
- Skrulls (Marvel Comics)
- Slavers (see also Thrint)
- Slitheen (Doctor Who)
- Slylandro (Star Control)
- Snarks (Marvel Comics)
- Solaris by Stanisław Lem (living planet)
- Solomon Family (3rd Rock from the Sun)
- Son'a (Star Trek)
- Soomanii (Utopia)
- Soro (David Brin's Uplift Universe)
- Sontarans (Doctor Who)
- Space Pirate (Metroid) (Metroid series)
- Spathi (Star Control)
- Species 8472 (Star Trek)
- Spock (Star Trek)
- Squiz-Quijy (Utopia)
- Strogg (Quake II) and (Quake 4)
- Stsho (C. J. Cherryh's Chanur novels)
- Suliban (Star Trek)
- Superman (Superman I-IV & Superman Returns)
- Supox (Star Control)
- Sycorax (Doctor Who)
- Sye-Men (Battlelords of the 23rd Century)
- Sykarians (Farscape)
- Syreen (Star Control)
T
- T'Lani (Star Trek)
- Taelons (Gene Roddenberry's ())
- Tai (Genome)
- Talarian (Star Trek)
- Talaxians (Star Trek)
- Talokians (DC Comics' Legion of Super-Heroes)
- Talosian (Star Trek)
- Tamarian (Star Trek)
- Tanndai Techknights (Battlelords of the 23rd Century)
- Tandaran (Star Trek)
- Tandu (David Brin's Uplift Universe)
- Tarellian (Star Trek)
- Tarkans (Farscape)
- Tau(Warhammer 40,000)
- Tavleks (Farscape)
- Taxxons (Animorphs series)
- Tc'a (C. J. Cherryh's Chanur novels)
- Technarchy (Marvel Comics)
- Tecreseans (Battlelords of the 23rd Century)
- Tenctonese ((Alien Nation))
- Tenebrians (Hal Clement's Close to Critical)
- Tellarites (Star Trek)
- Temarkians (Utopia)
- Terellian (Star Trek)
- Terileptils (Doctor Who)
- Terra Novans (Star Trek)
- Terran (Final Fantasy IX)
- Terrelian (Star Trek)
- Terrellian (Star Trek)
- Terrians (Earth 2)
- Tetraps (Doctor Who)
- Thals (Doctor Who)
- Thanagarians (native race of the Silver Age and Hawkworld versions of Hawkman and Hawkgirl/Hawkwoman (DC Comics))
- Thargoids (Elite (computer game))
- Therons (iDan 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)
- Titanians (DC Comics' Legion of Super-Heroes)
- Titanides (John Varley's Gaea-trilogy)
- the Tleilaxu (Frank Herbert's Dune novels)
- Tnuctip (Species that engineered the revolt against the Thrint in Larry Niven's Known Space)
- Trabe (Star Trek)
- Tractators (Doctor Who)
- Traeki (David Brin's Uplift Universe)
- Tralfamadorians (Kurt Vonnegut (The Sirens of Titan, Slaughterhouse 5))
- Tran (Alan Dean Foster's Icerigger)
- Trandoshans (Star Wars)
- Traskans (Farscape)
- Treecats (David Weber' 'Honorverse')
- Treens (in the Dan Dare stories}
- Tribbles, (Star Trek; compare the earlier flatcats from Robert A. Heinlein's The Rolling Stones)
- Triceraton (Teenage Mutant Ninja Turtles)
- 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)
- Tusken Raiders (Star Wars)
- Twi'leks (Star Wars)
- Twinsunians (Little Big Adventure, they are divided into four races: Quetches, Rabbibunnies, Grobos and Spheros)
- Tyranids (Warhammer 40,000)
U
- U'tani (Star Trek)
- Unas (Stargate SG-1)
- The Uncreated (Marvel Comics)
- Umgah (Star Control)
- Uniocs (Schlock Mercenary)
- ()
- Ur-Quan Kzer-Za (Star Control)
- Ur-Quan Kohr-Ah (Star Control)
- Uryuoms (El Goonish Shive)
- Utrom (Teenage Mutant Ninja Turtles)
- Utwig (Star Control)
V
- Vaadwaur (Star Trek)
- Vademon (Digimon)
- Vanacancia (Utopia)
- Varga plants (Doctor Who)
- Vardians (Tracker)
- Vasudans ()
- Velantians (Lensman books) notable for their multiplicity of eyes and various appendages
- Venek (Farscape)
- Venom and Carnage (Marvel Comics)
- Venom grubs (Doctor Who)
- Vervoids (Doctor Who)
- Vhorwed (Schlock Mercenary)
- Vidiians (Star Trek)
- Vilani (Traveller RPG) known for their bureaucratic tendencies and empire building
- Vilgax (Ben 10)
- Viltrumites (Invincible)
- Vineans (Yoko Tsuno (blue skin) comic)
- Visitors, V
- Vogons (bad poetry and bureaucratic planetary demolitions a speciality, from Douglas Adams's Hitchhiker's Guide series)
- Vorc (Farscape)
- Vorcarian bloodtracker (Farscape)
- Vorlons (Babylon 5)
- Vorta (Star Trek)
- Vortex life forms (Ecco the Dolphin)
- Vorticon (Commander Keen)
- Vortigaunt (Half-Life)
- Vortisaurs (Doctor Who audio dramas)
- Voth (Star Trek)
- Vroarscans (Utopia)
- Vulcans (Star Trek)
- VUX (Star Control)
W
- Waldahudin (Robert J. Sawyer's Starplex)
- Wanderers (Noon Universe)
- The Watcher (Marvel Comics)
- 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)
- Wraith, The (Stargate Atlantis)
X
- X Parasites (Metroid Fusion)
- Xandarians (Marvel Comics)
- Xanthuans (DC Comics' Legion of Super-Heroes)
- Xarians (Battlelords of the 23rd Century)
- Xel'Naga (StarCraft)
- Xenomorphs (the Alien movies)
- Xilians from Invasion of Astro-Monster and
- Xindi (Star Trek)
- ()
- Xyrillian (Star Trek)
Y
- Yag-Kosha (Robert E. Howard's Tower of the Elephant (humanoid elephant))
- Yautja (Predator)
- Yeerks (Animorphs) (parasitic)
- Yehat (Star Control)
- Yeti (Doctor Who)
- Yilane (West of Eden series of Harry Harrison)
- Yomingans (Schlock Mercenary)
- Yridian (Star Trek)
- Yugopotamians (The Fairly Oddparents)
- Yuuzhan Vong (Star Wars)
Z
- Zabrak (Star Wars)
- Zaldan (Star Trek)
- Zalkonian (Star Trek)
- Zarbi (Doctor Who)
- Zenetan (Farscape)
- Zenn-Lavians (Marvel Comics)
- Zentradi (Macross), adapted as the Zentraedi in Robotech
- Zen Rigeln (Battlelords of the 23rd Century)
- Zen-Whoberis (Marvel Comics)
- Zerg (StarCraft)
- Zhodani (Traveller RPG) - renowned psychics
- Zinoboppians (Melonpool)
- Zoq-Fot-Pik (Star Control)
- Zorgons are green skinned man-eating spacefaring reptilians in Zathura and warlike red skinned humanoids in the many Characters of Sluggy Freelance
- Zygons (Doctor Who)
Works of fiction featuring unnamed alien races
- (telepaths)
- The Body Snatchers (pod people) and its film adaptations
- Arthur C. Clarke's (unseen designers of the Monoliths)
- Hal Clement's Needle and Through the Eye of a Needle
- Fritz Leiber's The Wanderer
- Stanisław Lem's The Invincible
- John Lymington's Night of the Big Heat
- Cocoon and
- ToHeart2 (Lucy Maria Misora/Ruuko)
- E.T.
- Independence Day
- War of the Worlds
- Super Mario Land and successing games (Tatanga's species)
- Steven Spielberg's Taken
- John Carpenter's The Thing
See also
- Archive of fictional things
- List of extraterrestrials in fiction by type
- Cat-like aliens
- List of Doctor Who monsters and aliens
- Index of fictional species
- List of fictional robots
- List of fictional planets
- List of species in fantasy fiction
- Alien races in the Stargate universe
- Xenobiology
- Cryptozoology
References
- Wayne Douglas Barlowe, Ian Summers and Beth Meacham: Barlowe's Guide to Extraterrestrials
- Stanley Schmidt: Aliens and Alien Societies (Writer's Digest)
- Jack Cohen and Ian Stewart:
- Cliff Pickover. 2003 The Science of Aliens New York: Basic Books. ISBN 0-465-07315-8
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