List of fictional extraterrestrials

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This list of fictional extraterrestrial species is subsidiary to the lists of fictional species and is a collection of various notable extraterrestrial species that appear in various works of fiction. It is limited to well-referenced examples from literature, film, television, comics, animation and video games. This list excludes cases in which only a single member of a species is shown, such as E.T. the Extra-Terrestrial .

There are a number of lists of fictional species:

Literature written work of art

Literature, most generically, is any body of written works. More restrictively, literature refers to writing considered to be an art form or any single writing deemed to have artistic or intellectual value, often due to deploying language in ways that differ from ordinary usage.

Film sequence of images that give the impression of movement

A film, also called a movie, motion picture, moving picture, or photoplay, is a series of still images that, when shown on a screen, create the illusion of moving images. This optical illusion causes the audience to perceive continuous motion between separate objects viewed in rapid succession. The process of filmmaking is both an art and an industry. A film is created by photographing actual scenes with a motion-picture camera, by photographing drawings or miniature models using traditional animation techniques, by means of CGI and computer animation, or by a combination of some or all of these techniques, and other visual effects.



This section deals with notable species from published works, including short-stories, novels, novellas and poems.


Terry Pratchett's fictional Discworld has a large number of creatures and plants unique to it or its parasite universes.


This section deals with species that are depicted in comic books or strips, manga or similar works.



This section deals with feature-length films or made-for-television movies.


These are lists of sentient species from the Star Wars franchise.


This section deals with television shows.


This article discusses fictional civilizations on the science-fiction television show Babylon 5.

<i>Earth: Final Conflict</i> television series

Earth: Final Conflict was an American-Canadian science fiction television series based on ideas developed by Gene Roddenberry. The series was produced under the guidance of his widow, Majel Barrett-Roddenberry, who possessed notes kept by Roddenberry that would provide the conceptual basis for the series. It ran for five seasons between October 6, 1997 and May 20, 2002.

Television animation

This section deals with animated television shows, such as non-realistic CGI, traditional animation, and stop-motion animation.


Electronic games


  • Sangheili
  • Unggoy
  • Kig-Yar
  • Jiralhanae
  • Lekgolo/Mgalekgolo
  • Yanme'e
  • San 'Shyuum
  • Huragok
  • Flood
  • Forerunner

Tabletop games


Fictional alien characters by type

Related Research Articles

Fictional language language in fictional stories

Fictional languages are a subset of constructed languages, and are distinct from the former in that they have been created as part of a fictional setting. Typically they are the creation of one individual, while natural languages evolve out of a particular culture or people group. Fictional languages are also distinct from natural languages in that the former do not have native speakers.

Fictional universe self-consistent fictional setting with elements that may differ from the real world

A fictional universe is a self-consistent setting with events, and often other elements, that differ from the real world. It may also be called an imagined, constructed or fictional realm. Fictional universes may appear in novels, comics, films, television shows, video games, and other creative works.

Planets in science fiction are fictional planets that appear in various media of the science fiction genre as story-settings or depicted locations.

Earth in science fiction status of the Earth in fictional stories

An overwhelming majority of fiction is set on or features the Earth. However, authors of speculative fiction novels and writers and directors of science fiction film deal with Earth quite differently from authors of conventional fiction. Unbound from the same ties that bind authors of traditional fiction to the Earth, they can either completely ignore the Earth or use it as but one of many settings in a more complicated universe, exploring a number of common themes through examining outsiders' perceptions of and interactions with Earth.

Gorn fictional Star Trek species

The Gorn are a fictional extraterrestrial humanoid reptilian species in the American science fiction franchise Star Trek. They first appeared in a 1967 episode of the original series, "Arena", in which Captain Kirk fights an unnamed Gorn on a rocky planet. The fight scene has become one the best-remembered scenes of the original series, in part due to the slow and lumbering movement of the Gorn, which some viewers have considered unintentionally comical.

An elder race in science fiction, fantasy, or horror fiction is a fictional alien race that preceded humanity. Occasionally they are a more advanced version of humanity instead of aliens. Elder races generally have abilities and technologies that generally far surpass that of humanity. In works of science fiction, their technologies are often so advanced as to seem magical or even godlike both to the human protagonists and to the present-day reader.

Extraterrestrials in fiction Fictional depictions of extraterrestrial life

An extraterrestrial or alien is any extraterrestrial lifeform; a lifeform that did not originate on Earth. The word extraterrestrial means "outside Earth". The first published use of extraterrestrial as a noun occurred in 1956, during the Golden Age of Science Fiction.

First contact (science fiction) Science fiction theme about the first meeting between humans and extraterrestrial life

First contact is a common science fiction theme about the first meeting between humans and extraterrestrial life, or of any sentient race's first encounter with another one, given they are from different planets or natural satellites.

Ancient astronauts have been addressed frequently in science fiction and horror fiction. Occurrences in the genres include:

The following outline is provided as an overview of and topical guide to Star Trek:

A formal description of an alien language in science fiction may have been pioneered by Percy Greg's Martian language in his 1880 novel Across the Zodiac, although already the 17th century book The Man in the Moone describes the language of the Lunars, consisting "not so much of words and letters as tunes and strange sounds", which is in turn predated by other invented languages in fictional societies, e.g., in Thomas More's Utopia.