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Humungousaur omniverse official

Humungousaur uaf render

General Information
Species Vaxasaurian
Home World Terradino
Body Humanoid Dinosaur
Ultimate Form Ultimate Humungousaur
Alternate Counterparts Dino-Mighty
Powers and Abilities
Abilities Enhanced Strength
Enhanced Durability
Enhanced Agility
Enhanced Jumping
Size Alteration
Powerful Roar
Limited Space Survivability
Voice Actor Dee Bradley Baker (Alien Force and Ultimate Alien)
Ashley Johnson (Gwen)
John DiMaggio (Omniverse)
First Appearance Ben 10 Returns: Part 2

Humungousaur is the Omnitrix's DNA sample of a Vaxasaurian from the planet Terradino.


Ben as Humungousaur

Humungousaur is about 12 feet tall and can grow bigger at will, up to about 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 shoulders three plates separate and grow, giving him a more ferocious look. His arms do something similar. His skin is hard, brown, and a sort of beige color and he has a somewhat humanoid body. Humungousaur wears the Omnitrix/Ultimatrix symbol on his chest.

In Heroes United, the plates on his chest end in spikes. He has spikes above his eyes.

In Omniverse, Humungousaur wears black briefs with a white waistband and a green sash across his chest containing the Omnitrix symbol. Humungousaur now has grey fingernails instead of brown, a slightly bigger chin, green eyes in the same hue of his sash, and his nose has shifted to his forehead.

Albedo as Negative Humungousaur

In Alien Force, Negative Humungousaur looks exactly like regular Humungousaur but he has red eyes and his Ultimatrix symbol is red as well.

In Omniverse, Negative Humungousaur has a darker skin color and a red sash across his chest in the opposite direction as Ben's Humungousaur. His eyes are the same red as his sash.

Alpha as Humungousaur

Humungousaur has dark green skin and some horns and sharp teeth. He has red eyes and sharp teeth. The fake Ultimatrix symbol is on his chest and red lines are spread across his body. The fake Ultimatrix is red.

Powers and Abilities

AF Humungousaur 003

Humungousaur at maximum size

Humungousaur possesses incredible strength. According to Eugene, Humungousaur is strong enough to lift Way Big.[1] He is able to throw an object to up to a high altitude, even into near-earth orbit.

He possesses a thick, armored hide, which has proven to be durable enough to withstand blaster fire and heavy impacts.

In Vilgax Attacks and Cosmic Destruction, Humungousaur can do a shoulder charge and make shockwaves by slamming the ground.

Humungousaur has the power to increase his own body size and mass. He can grow up to 60 feet. His strength increases as he grows.

Humungousaur can generate his Stegosauride features (plates and spikes on spine) without changing size.

In the video game Ben 10: Alien Force, Humungousaur was shown to be immune to freezing.

Humungousaur is durable enough to survive in space for a few minutes.


Humungousaur's enhanced strength

Humungousaur's tail is powerful enough to knock away Malware's third form easily, as shown in Showdown: Part 2.

Humungousaur is quite agile for his size, as he could somersault onto one of the Forever Knights' battle horses in Eye of the Beholder, perform a slide tackle in Special Delivery and be able to evade attacks while jumping in Showdown: Part 2.

Humungousaur has a powerful roar, which he used to scare away some reporters as seen in Fame.


Humungousaur's strength is useless against Tyrannopede's sheer weight, although he can lift it over his head for brief amount of time. He is also very slow and can't fit into small spaces. He is extremely vulnerable to electricity, and his size makes him a very easy target for enemy attacks.



Plant Clone




Video Games

Naming and Translations

Language Name Origin
Arabic هومنجاسور Transliteration: houmungasaur, mispronunciation of the original name
Bulgarian Човекозавър/Čovekozavŭr From човек, human and -завър/-zavŭr, -saur
Chinese 神力暴龙 From 神力 (Shén Lì), powerful and 暴龙 (Bào Lóng), T-Rex
Croatian Ljudosaur/Људосаур From Ljudo/Људо, people or human, and -saur, a suffix for dinosaur
Dutch Gigantosaurus From gigantous and dinosaur
French Énormosaure From énorme, enormous and -saure, -saur
German Gigantosaurus From gigantisch, gigantous and dinosaur
Greek Τεραστιόσαυρος From τεράστιος, huge and δεινόσαυρος, dinosaur
Hebrew יומוזאור From Human and dinosaur
Hungarian Óriásszaurusz From óriás, giant and -szaurusz, -saur
Indonesian Humonggosaurus From the original name
Italian Omosauro From Homo, human being in Latin, and sauros, lizard in Latin
Norwegian Enormosaur From enormous and dinosaur
Polish Gigantozaur From gigant, giant and dinosaur
Portuguese (Br) Enormossauro From enorme, enormous and dinossauro, dinosaur.
Russian Гумангозавр From Humungousaur translated to Russian
Serbian Ljudosaur/Људосаур From Ljudo/Људо, people or human, and -saur, a suffix for dinosaur
Spanish (HA) Humungosaurio Humungousaur translated to Spanish
Spanish (Spain) Gigantosaurio From Gigantous and Dinosaur
Swedish Gigantosaur From gigant, gigantic and dinosaur
Tagalog Yumongusor The Tagalog version of Humongusaur
Turkish İnsanazor


His name is a portmanteau of "Humongous," meaning "big," referencing his size, and "dinosaur."


  • Humungousaur is also the first alien to go ultimate on-screen.
  • In Game Creator, Humungousaur's name is misspelled "Humongousaur".
  • Dwayne McDuffie and Derrick J. Wyatt have both said Dee Bradley Baker doesn't like doing Humungousaur's voice too much, as it's hard on his throat. This was also stated in the Ben 10: Alien Force video game.
  • In Omniverse, as a running gag through Season 1, Ben tried and failed to transform into Humungousaur on numerous occasions before finally transforming into him in Of Predators and Prey: Part 2, the final episode for Season 1.
  • In Omniverse, his sash is similar to Monsieur Mallah's from Teen Titans.
  • Humungousaur's icon replaced Echo Echo's in the arc 5 opening of Omniverse.
  • Humungousaur hasn't used his growing ability since Video Games.
  • Humungousaur is the second alien to have two fusions (Fourmungousaur and Humungoopsaur), the first being Four Arms.


See Also

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