it's hero time
Ben Tennyson is a kid who found the most powerful weapon in the universe the Omnitrix with the omnitrix Ben fights numerous villains such as Vilgax , Sixsix, Albedo , the forever knights, the highbreed, Charm Caster and others with the help of his cousin Gwen, his grandfather Max and former villain Kevin E. Levin Ben eventually has to destroy the omnitrix to stop Vilgax from taking over the world but gets the new Ultimatrix which can evolve his alien forms into ultimate forms
Omnitrix/Ultimatrix aliens[]
Original aliens
Four Arms
Diamond Head
Heat Blast
XLR8
Ghost Freak (Escaped)
Wild Mutt
Upgrade
Grey Matter
Stink Fly
Rip Jaws
Additional aliens
Cannon Bolt
Upchuck
Eye Guy
Way Big
Ditto
Benmummy
Benwolf
Benvictor
up chuck
Eon
Ben Ten alien force
Humongasaur
Swampfire
Chromastone
Echo Echo
Jetray
Goop
Alien x
Brain Storm
Spider Monkey
Big Chill
Additional aliens
Up Chuck
Diamond Head
Way Big
Cannonbolt
Load Star
Rath
Ghost Freak
Ben Ten Ultimate Alien
NRG
Armadrillo
Nano Mech
Ampfibian
Water Hazard
Terra Spin