This is a list of extraterrestrial species that have appeared in various works of fiction featuring aliens.
See also:
Contents |
| Name | Source | Type |
|---|---|---|
| Jaffa | Stargate SG-1 | Genetically altered humans with pouches that are designed to incubate Goa'uld larvae. |
| Jaridians | Earth: Final Conflict | Humanoid |
| Jawa | Star Wars | Creatures that live in the Tatooine desert. Their appearance is known to few as they often have robes covering the whole of their bodies. |
| 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 | |
| Jorenians | S.L. Viehl's StarDoc series and associated universe | Large blue-skinned humanoid with retractile claws. |
| Jotoki | Larry Niven's Known Space | |
| Joozian | South Park | |
| Judoon | Doctor Who | rhino-like Humanoid |
| Name | Source | Type |
|---|---|---|
| Lallorans | DC Comics' Legion of Super-Heroes | |
| Lance Corporal Dororo | Sgt. Frog | |
| Large nostril people | Invader Zim | |
| Lavos | Square-Enix's Chrono Trigger | Planetary Parasite |
| 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 | |
| Little Guys | 2300 AD | |
| 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 originate 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 |
| Lorwardians | Kim Possible | Humanoid |
| 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 |
| Name | Source | Type |
|---|---|---|
| Naglon | Doctor Who | Humanoid |
| Nairnama | Independence War, aka I-War | |
| Namekian | Dragon Ball | Humanoid |
| Naram | Renegade Legion | Humanoid |
| Narn | Babylon 5 | Humanoid |
| Nhar-Gh'Ok | Invader Zim | Humanoid |
| Na'vi | Avatar (2009 film) | Blue 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 | |
| Novus | Universe at War | |
| Nox | Stargate SG-1 | Humanoid |
| Nyronds | passim in the works of Zander Nyrond; occasionally in those of his "brother" Soren |
| 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 | Squid-like Humanoid |
| Optera | Doctor Who | |
| Orandoans | DC Comics' Legion of Super-Heroes | |
| Orfa | Ascendancy | |
| Organians | Star Trek | Energy beings dedicated to stopping all forms of violence. |
| Ori | Stargate SG-1 | Humanoid, Ascended to a higher plain of existence in non-corporial form |
| Orion | Star Trek | Green-skinned humanoids known for the illegal trade their extremely attractive females as slaves. |
| 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 | |
| Osirians | L. Sprague de Camp's Viagens Interplanetarias Series | Telepathic saurians. |
| Outsiders | Larry Niven's Known Space | |
| Overlords | Childhood's End by Arthur C. Clarke | Creatures with the appearance of demons that help shape the evolutionary patterns of other races. |
| Owa | Star Control 3 |
| 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 | |
| Pentapods | 2300 AD | |
| 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 | Toucan or dodo-like |
| Planet Jackers | Invader Zim | |
| Plookesians | Invader Zim | |
| Ploxis | Star Control 3 | |
| Pnume | Jack Vance's Planet of Adventure Series | Insectoid. |
| 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 | |
| Prawns | District 9 | |
| Precursors | Halo | |
| "Predator" aliens | Predator movie series | |
| Primes | Peter F. Hamilton's "Commonwealth Saga" | |
| Private Tamama | Sgt. Frog | |
| Progenitors | David Brin's Uplift Universe | |
| Promethians | Rifts role-playing game | Humanoid; formidable ancient race of mysterious origin; reside primarily on Phase World, center of the Three Galaxies; possess "phase" powers, enabling manipulation of physical and dimensional space; generally indifferent to anything that does not pose a threat to themselves or the cosmos as a whole. |
| 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 | Humanoid with metamorphosis abilities, capable of "molecular transformation" into the form of organic material such as an animal or plant by knowing its molecular structure. This form can only be held for one hour and cannot change directly from one form to another. |
| 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_Roddenberry's_Andromeda | Methane breathing squid-like race |
| Pyronite | Ben 10 | |
| Pyroviles | Doctor Who | Humanoid |
| Python Lizards | Battlelords of the 23rd Century |
| 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 |