You've just made a humungous mistake!

–Kyotaro's quote.


Kyōtarō Abe (阿部京太郎) is a 10 year old 5th grade student who becomes Humungousaur with his Humungousaur DISK. His Exo-Hero code is X-25.

Form, Powers, and Abilities

Exodus Humungousaur

Accepted. Materializing: Vaxasaurian Identity.

–Humungousaur DISK's transformation annoucement

Humungousaur! Disk Mash!

–Kyotaro's transformation annoucement

Exodus Humungousaur.

As Humungousaur, Kyotaro possesses incredible strength, being able to lift 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.

Kyotaro possesses a thick, armored hide, which has proven to be durable enough to withstand blaster fire and heavy impacts. His skin is also resistant to heat.

Kyotaro 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 Kyotaro 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. Kyotaro can also generate his Stegosauride features without changing size.

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

Kyotaro is capable of jumping extremely high despite his size and weight. His tail is also powerful enough to easily knock away enemies.

Kyotaro can run on all fours in a similar fashion to a bull or a rhinoceros.

Kyotaro is quite agile for his size.

Kyotaro has powerful jaws that are strong enough to cause pain to a Highbreed.

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

Kyotaro has a powerful roar.

Similar to Four Arms, Kyotaro is strong enough to create shock waves by clapping his hands together.

Also like Four Arms, when infected with a cold, Kyotaro gains the ability to spit slime.

Weaknesses

Kyotaro's strength has a clear limit, as with such cases with moving and lifting beings or objects as heavy as Tyrannopede, whose sheer weight proved a challenge for Humungousaur to manage. Technically speaking, Humungousaur is physically weaker than Tetramands, Highbreeds, and Evolved Vaxasaurians, the latter of whom is able to lift a To'kustar in record timing. He was also incapable of harming Ultimate Aggregor with physical blows, despite having given him a vicious beating.

Kyotaro 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.

Kyotaro is weak against electricity.

Being a Vaxasaurian, Kyotaro is vulnerable to being trapped by a Kaosseffexx Ultimasauria.

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

Kyotaro can be harmed by a Methanosian's fire attacks.

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

Despite his wind resistance, Kyotaro can still be blown off his feet if the wind is strong enough.

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

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