Aliens that have artificially evolved or have been modified by an Omnitrix in some way. For example, the Ultimate Forms in Ben 10: Ultimate Alien, the Infinite Forms in Dylan 11: Ultimate Evolution, or the Opposite Aliens in the Xirtisop in Den -10.
All items (600)
U
- Ultimate Ripjaw
- Ultimate Ripjaws (Aaron)
- Ultimate Ripjaws (BTSF)
- Ultimate Ripjaws (CaT)
- Ultimate Ripjaws (Earth-68)
- Ultimate Ripjaws (Neon 10)
- Ultimate Ripjaws (NickFries55)
- Ultimate Ripjaws (Tales of the Outsider)
- Ultimate Ripjaws (Unlimited Force)
- Ultimate Rockoustic
-
- Ultimate Roller (AL 12)
- Ultimate Rose
- Ultimate Rupture
- Ultimate Shock Rock (Aaron)
-
- Ultimate Shocksquatch (Earth-68)
- Ultimate Similamander (WTB)
- Ultimate Simpleten (Off-the-grounder)
-
- Ultimate Skidmarx (Tusk Act Minus 1)
- Ultimate Skyfly
- Ultimate Slapback (Alan)
- Ultimate Snare-oh (Aaron)
- Ultimate Snare-oh (Alien Alliance)
- Ultimate Snare-Oh (Neon 10)
- Ultimate Snow Bear
-
- Ultimate SonR
-
- Ultimate Soundwave (AL 12)
- Ultimate Spasar
- Ultimate Spiderfreak
-
- Ultimate Spidermonkey (Earth-1010)
- Ultimate Spidermonkey (Earth-68)
- Ultimate Spidermonkey (Richard 10)
- Ultimate Spidermonkey (TNO)
- Ultimate Spitter (TNO)
-
- Ultimate Steambok
- Ultimate Steelth
- Ultimate Stinkfly
- Ultimate Stinkfly (Alien Alliance)
-
- Ultimate Storm
- Ultimate Storn (Battle Ben-OH)
- Ultimate Sub-0
- Ultimate Sub-0/Sub-Zero (AL 12)
-
- Ultimate Surge
- Ultimate Swampblast Head
- Ultimate Swampfire (Decatrix)
- Ultimate Swampfire (Doppelgänger)
- Ultimate Swampfire (Earth-32)/Dimension 1
- Ultimate Swampfire (Earth-68)
- Ultimate Swampfire (Jon's Dimension)
- Ultimate Swampfire (Neon 10)
- Ultimate Swampfire (T10)
- Ultimate Terminano
- Ultimate Terraspin (Earth-68)
- Ultimate Terraspin (FS9)
- Ultimate Terraspin (NickFries55)
- Ultimate Toepick (Neon 10)
- Ultimate Ty-Gore (AL 12)
-
- Ultimate Tyrannotitan
- Ultimate Un-Named
- Ultimate Unicorn Duck
-
-
- Ultimate Upgrade
- Ultimate Upgrade (Aaron)
- Ultimate Upgrade (Alien Wars)
- Ultimate Upgrade (BBO)
- Ultimate Upgrade (Curtis 10)
-
- Ultimate Upgrade (Jake 10)
- Ultimate Upgrade (New 2021)
- Ultimate Upgrade (NickFries55)
- Ultimate Upgrade (Rob)
- Ultimate Upgrade (SSK)
- Ultimate Upgrade (TNO)
-
- Ultimate Vaceuoom
- Ultimate Vilgax (Borg 10)
- Ultimate Vilgax (BTUF)
- Ultimate Viris (Tech 10: Rebooted)
-
- Ultimate Walkatrout (Neon 10)
- Ultimate Walkatrout (Poliwag the Blogger)
- Ultimate Water Hazard (AASC)
- Ultimate Water Hazard (BTSF)
-
- Ultimate Water Hazard (Earth-68)
-
- Ultimate Way Big (Aaron)
- Ultimate Way Big (BTSF)
- Ultimate Way Big (Earth-68)
- Ultimate Way Big (Imad 10)
- Ultimate Way Big (Jon's Dimension)
- Ultimate Way Big (Universe-7781)
- Ultimate Wildmutt (Alan)
- Ultimate Wildmutt (Earth-32)/Dimension 1
- Ultimate Wildmutt (Jon's Dimension)
- Ultimate Wildmutt (TNO)
- Ultimate Wildvine
- Ultimate Wildvine (Neon 10)
-
- Ultimate WrapUp
- Ultimate XLR8
- Ultimate XLR8 (Aaron)
- Ultimate XLR8 (Ahmad 15)
- Ultimate XLR8 (Borg 10/BTUE)
-
-
-
-
- Ultra Chromastone
- Ultra Goop
- Ultra Rath
- Unlimited AmpFibian
- Unlimited Brainstorm
- Unlimited NRG
- Unlimited Wildmutt
- Upgrade 2.0
- Upgraded Forms
- UpLoaded
X
- Xceed AmpFibian (Ben 10K-OH)
- Xceed Arctiguana (Ben 10K-OH)
- Xceed Armodrillo (Ben 10K-OH)
- Xceed Astrodactyl (Ben 10K-OH)
- Xceed Atomix (Ben 10K-OH)
- Xceed Batbolt (Ben 10K-OH)
- Xceed Big Chill (Ben 10K-OH)
- Xceed Big Nose (Ben 10K-OH)
- Xceed Blitzwolfer (Ben 10K-OH)
- Xceed Braindrain (Ben 10K-OH)
- Xceed Brainstorm (Ben 10K-OH)
- Xceed Buzzshock (Ben 10K-OH)
- Xceed Cannonbolt (Ben 10K-OH)
- Xceed Chimera (Ben 10K-OH)
- Xceed Chromastone (Ben 10K-OH)
- Xceed Crashhopper (Ben 10K-OH)
- Xceed Diamondhead (Ben 10K-OH)
- Xceed Ditto (Ben 10K-OH)
- Xceed Echo Echo (Ben 10K-OH)
- Xceed Elements (Ben 10K-OH)
- Xceed Eye Guy (Ben 10K-OH)
- Xceed Fasttrack (Ben 10K-OH)
- Xceed Feedback (Ben 10K-OH)
- Xceed Four Arms (Ben 10K-OH)
- Xceed Gax (Ben 10K-OH)
- Xceed Goop (Ben 10K-OH)
- Xceed Gravattack (Ben 10K-OH)
- Xceed Grey Matter (Ben 10K-OH)
- Xceed Gutrot (Ben 10K-OH)
- Xceed Hardsoft (Ben 10K-OH)
- Xceed Heatblast (Ben 10K-OH)
- Xceed Humungousaur (Ben 10K-OH)
- Xceed Jetray (Ben 10K-OH)
- Xceed Juryrigg (Ben 10K-OH)
- Xceed Kickin Hawk (Ben 10K-OH)
- Xceed Lodestar (Ben 10K-OH)
- Xceed Mage (Ben 10K-OH)
- Xceed Molestache (Ben 10K-OH)
- Xceed NRG (Ben 10K-OH)
- Xceed Pesky Dust (Ben 10K-OH)
- Xceed Portaler (Ben 10K-OH)
- Xceed Power-Up (Ben 10K-OH)
- Xceed Rath (Ben 10K-OH)
- Xceed Ripjaws (Ben 10K-OH)
- Xceed Sandbox (Ben 10K-OH)
- Xceed Shocksquatch (Ben 10K-OH)
- Xceed SnowBeast (Ben 10K-OH)
- Xceed Spidermonkey (Ben 10K-OH)
- Xceed Spitter (Ben 10K-OH)
- Xceed Stinkfly (Ben 10K-OH)
- Xceed Swampfire (Ben 10K-OH)
- Xceed TenTen (Ben 10K-OH)
- Xceed Terraspin (Ben 10K-OH)
- Xceed Upgrade (Ben 10K-OH)
- Xceed Water Hazard (Ben 10K-OH)
- Xceed Way Big (Ben 10K-OH)
- Xceed Wildmutt (Ben 10K-OH)
- Xceed Wildvine (Ben 10K-OH)
- Xceed XLR8 (Ben 10K-OH)
- Xceed XYZ (Ben 10K-OH)
Ø