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Ultimate Humungousaur is the evolved form of Humungousaur and one of Ben Tennyson's Ultimate Alien Forms.
He was voiced by Dee Bradley Baker who also voiced Diamondhead, Chromastone, Big Chill, Wildmutt, Swampfire, Humungousaur, Jetray, Echo Echo, Spidermonkey, NRG, Armodrillo, Water Hazard, Terraspin and Four Arms in the same franchise and Rex in Star Wars: The Clone Wars and Star Wars Rebels.
Ultimate Humgousaur is gigantic version of Humgousaur now having a green skin and sporting a shell cover his back and part of his chest, He also has helmet and his hand can became into cannons-like gatlings to shoot missiles.
Powers and Abilities
Ultimate Humgousaur Now has powers like shooting missiles that can explode or are filled with kinetic energy, He can also create powerful shockwaves when using his tail or punching the ground.
Ultimate Humgousaur has no longer the ability to size-shift at will, he also can be depowered by aliens that can absorb energy from his cannons like Feedback or Shockquatch.