Aliens

Omnitrix Aliens Alien X

 * AmpFibian


 * Armodrillo


 * Articguana


 * Astrodactyl


 * Ball Weevil


 * Snare-oh


 * Frankenstrike


 * Blitzwolfer


 * Big Chill


 * Bloxx


 * Brainstorm


 * Cannonbolt


 * Chromastone


 * Clockwork


 * Crashhopper


 * Diamondhead


 * Ditto


 * Eatle


 * Eye Guy


 * Echo Echo


 * Feedback


 * Four Arms


 * Ghostfreak


 * Goop


 * Gravattack


 * Grey Matter


 * Heatblast


 * Humungousaur


 * Jury Rigg


 * Kickin Hawk


 * Lodestar


 * Molestache


 * NRG


 * Nanomech


 * Pesky Dust


 * Rath


 * Ripjaws


 * Shocksquatch


 * Spidermonkey


 * Stinkfly


 * Swampfire


 * Terraspin


 * The Worst


 * Toepick


 * Upchuck


 * Upgrade


 * Walkatrout


 * Water Hazard


 * Way Big


 * Wildmutt


 * Wildvine


 * XLR8
 * whampire
 * gutrot
 * portaler

Ultimate Forms

 * Ultimate Wildmutt


 * Ultimate Cannonbolt


 * Ultimate Way Big


 * Ultimate Swampfire


 * Ultimate Big Chill


 * Ultimate Humungousaur


 * Ultimate Spidermonkey


 * Ultimate Echo Echo

Nemetrix Aliens

 * Buglizard


 * Crabdozer


 * Hypnotick


 * Mucilator


 * Omnivoracious


 * Slamworm


 * Terroranchula


 * Tyrannopede


 * Vicetopus