Humungousaur omniverse official
General Information
Fusion nama
Species Vaxasaurian
Race none
Home World Terradino
Body Humanoid Dinosaur
Other Data
DNA Origin none
Alternate Counterparts Dino-Mighty
Evolved/Devolved Form Ultimate Humungousaur
predator/prey Tyrannopede
Powers and Abilities
Abilities Enhanced Strength

Enhanced Durability

Size Alteration

Enhanced Agility

Enhanced Jumping

Powerful Roar

possible powers none
Equipment none
Voice Actor Dee Bradley Baker (Alien Force, Ultimate Alien)

Ashley Johnson (As Gwen in Inspector Number 13)

John DiMaggio (Omniverse)

Series Appeared Ben 10: Alien Force
First Appearance Ben 10 Returns: Part 2


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</noinclude>Humungousaur is the Codon Stream's DNA sample of a Vaxasaurian from the planet Terradino.


Humungousaur is about twelve feet tall when he is not grown and can grow bigger at will, up to 60 feet. When he grows, his dinosaur features become more pronounced, growing Stegosaur-like plates on his back, a crest on his forehead and spikes on his tail. Also on his elbows three plates separate and grow, giving him a more ferocious look. His skin is a brown and beige color.


Humungousaur possesses super strength and a thick layer of skin which provides vast resistance to injury. Humungousaur also has the power to increase his own body size and mass. He can grow up to 60 ft. His strength increases as he grows and he can generate his dinosaur features without changing size.


  • Humungousaur is the first Ben's alien transformation in Ultimate Alien.
  • In Omniverse, as a running gag through Season 1, Ben has tried and failed to transform into Humungousaur on numerous occasions before finally transforming into him in Of Predators and Prey: Part 2.


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