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


Humungousaur is a somewhat humanoid dinosaur standing about 12 feet tall with hard skin that is colored brown on its outer side and beige on its inner side.

He now wears a black and green suit with a white chest, as well as black gloves. He wears the Omnitrix symbol on his chest.

Powers and Abilities

Humungousaur possesses incredible strength, being able to lift and throw a To'kustar and at base size, and throw objects (heavy or light) up to a high altitude, even into near-earth orbit. Technically speaking, he is physically stronger than Methanosians and Crystalsapiens.

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

He has the power to increase or decrease his own body size and mass. He can grow bigger up to about 60 feet at will, increasing his natural strength as he grows. He can also shrink down to about 10 feet.

When Humungousaur grows, his dinosaur features become more pronounced, growing Stegosauride features such as plates on his back, a crest on his forehead, and spikes on his tail. The plates on his shoulders and arms also separate and grow, giving him a more ferocious look. These features give him an extra edge in battle both defensively and offensively.

Humungousaur is durable enough to survive in the vacuum of space for a few minutes and pass through dangerous force fields.

He is capable of jumping extremely high despite his size and weight. His tail is also powerful enough to easily knock away Malware's third form and he can also run on all fours in a similar fashion to a bull or a rhinoceros.

Humungousaur is quite agile for his size, as he could somersault onto one of the Forever Knights' battle horses, perform a slide tackle, and evade attacks while jumping. He even has powerful jaws that are strong enough to cause pain to a Highbreed.

Humungousaur's immense size and weight make him very useful for moving against strong suction forces and powerful winds.

Humungousaur has a powerful roar, which he once used to scare away a large group of reporters.

Similar to Four Arms, Humungousaur is strong enough to create shock waves by clapping his hands together, and, also like Four Arms, when infected with a cold, Humungousaur gains the ability to spit slime.


Humungousaur's strength has a clear limit, as with such cases with moving and lifting beings or objects as heavy as his species' natural predator, the Tyrannopede, whose sheer weight proved a challenge for Humungousaur to manage. He is also not as strong as a Tetramand, a Highbreed, or an Evolved Vaxasaurian, the latter of whom is able to lift a To'kustar in record timing.

Humungousaur is very slow and combined with his naturally large physique, it makes him a very easy target for enemy attacks. Even his base size makes it impossible for him to fit into small spaces.

Humungousaur can be discomforted by an Aerophibian's neuroshock blasts and he is weak against electricity, such as that generated by an Amperi.

Humungousaur is more of a land-based alien, meaning he cannot breathe underwater.

Humungousaur can be harmed by a Methanosian's fire attacks. Similarly, he can be harmed by a Pyronite's fire attacks even while he has his Stegosauride armor.

Despite his enhanced durability, Humungousaur's feet can be badly hurt by a strong enough blow, similar to those of a human.

Like Four Arms, if Humungousaur is under the effects of a cold virus, his strength and stamina will be severely reduced.

Humungousaur can be encased in Tyrannopede's cocoon.




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