Planet Earth has been depicted as an invasion target for an amazingly large number of alien species, in all forms of science fiction as well as some conspiracy theories.
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Mimic (Edge of Tomorrow) -
Ōtsutsuki
All items (412)
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A
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Abductor
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Aesiri (Roswell Conspiracies)
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Alien (A Centaur's Life)
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Alien (Alien Apocalypse)
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Alien (Alien Outpost)
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Alien (American Warships)
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Alien (Attack the Block)
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Alien (Battle: Los Angeles)
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Alien (Dinosaurs vs. Aliens)
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Alien (Extraterrestrial, 2014)
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Alien (Fantasy)
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Alien (Final Days of Planet Earth)
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Alien (H. G. Wells' War of the Worlds)
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Alien (Heatstroke)
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Alien (High Plains Invaders)
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Alien (Hybrids)
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Alien (I Married a Monster from Outer Space)
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Alien (Night of the Blood Beast)
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Alien (Sherman's Lagoon)
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Alien (Signs)
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Alien (Spielberg's War of the Worlds)
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Alien (The Darkest Hour)
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Alien (The Faculty)
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Alien (The Hive)
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Alien (The Invasion of the Scooby Snatchers)
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Alien (The Man from Planet X)
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Alien (The Trollenberg Terror)
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Alien (They Live)
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Alien (Thirst)
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Alien (UFO)
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Category:Alien Alliance
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Alien Bira
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Aliens (Bad Taste)
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Aliens (The Hum)
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Andromedon
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Angel (Devilman)
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Angel (Neon Genesis Evangelion)
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Anti-Spiral
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Anubian (K9)
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Anunnaki
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Apician
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Apothicon
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Arch-vile
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Arcturan (Goosebumps)
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Atasian
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Audrey II
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Avatar (XCOM)
B
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Bach's Species
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Baltan
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Bane
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Baron of Hell
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Beast (Earthfall)
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Bijū
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Bino Faata
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Biomorphs
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Black Arms
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Black Hole Planet 3 Alien
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Blackout (Earthfall)
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Blastula
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The Blob
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Blue (Wildstorm)
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Blue Alien
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Blur
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Body Squeezer
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Boglodite
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Boudacian
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Brain-Eating Meteor
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Brainsuck Alien
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Brandon Breyer's species
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Bronze Tribe
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Byrus
C
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Cacodemon
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Calvin
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Caste (Cowboys & Aliens)
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Cerebulon
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Charrl
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Chimera (Resistance)
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Chimera Sui Generis
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Chitauri
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Chitauri Gorillas
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Chitauri Leviathans
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Chronian
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Chtorran Gastropede
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Colonist
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Combine
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Covenant
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Creatures of the Mist
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Crustacean (Voyage to the Bottom of the Sea)
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Cryog
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Cryptop
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Cthu-Lou
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Cyberdemon
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Cybermen
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Cycro
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Cyrellian
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