List of fictional alien species: X

Last updated

NameSourceType
X-ists Church of the SubGenius
X-Nauts Paper Mario: The Thousand-Year Door
X Parasites Metroid Fusion
Xandarians Marvel Comics Humanoid
Xanthuans DC Comics' Legion of Super-Heroes
Xarians Battlelords of the 23rd Century
Xarquids X-COM: Terror from the Deep
Xchagger Star Control
Xel'Naga StarCraft
Xenexian Star Trek
Xenomorphs Alien moviesParasitic
Xenu Scientology
Xiangs 2300 AD
Xiao Fengqing Legend of Heavenly Tear: Phoenix Warriors Humanoid
Xilians Invasion of Astro-Monster and Godzilla: Final Wars Humanoid
Xindi Star Trek Humanoid
Xorda Sonic the Hedgehog comics
Xxcha Twilight Imperium Peaceful arboreal testudinoids
Xyrillian Star Trek