Simple. It attaches itself to someone's face.

Usually NightmareFuel from some horror film.

May be related to FaceFullOfAlienWingWong. See also OrificeInvasion, PersonalSpaceInvader.
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!!Examples:

[[foldercontrol]]

[[folder: Comics ]]

* The mind-control starfish of Starro the Conqueror.

[[/folder]]

[[folder: Film ]]

* The xenomorphs from ''Franchise/{{Alien}}''. Many later examples are homages.

[[/folder]]

[[folder: Tabletop Games ]]

* The Face Sucker in ''TabletopGame/{{Munchkin}}''.

[[/folder]]

[[folder: Toys ]]

* Krana and Krana-Kal of {{Bionicle}}.

[[/folder]]

[[folder: Video Games ]]

* Gligar and Gliscor from ''Franchise/{{Pokemon}}''.
* {{Metroid}}s
* Headcrabs from the ''VideoGame/HalfLife'' saga.
* Brainsuckers from ''VideoGame/{{X-COM}} Apocalypse'', which are used as ammunition by certain aliens in addition to appearing on their own. Replacing a person's brain is their entire purpose; They don't even have a digestive system.

[[/folder]]

[[folder: Webcomics ]]

* In [[TheCyantianChronicles Campus Safari]], Chrome's miniwhip Aurla does a good impression of one. (Played for laughs)
* ''Webcomic/CrossTimeCafe'': [[Webcomic/{{Freefall}} Sam Starfall]] pulls one of these off in an early [[http://www.whiteponyproductions.com/comicstrips/ctc/ctc0006.htm strip]]. Hortmage finds it irritating and, maybe, disgusting.
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