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Upchuck is the Omnitrix's DNA samples of the Perk and Murk races of Gourmand from the destroyed planet Peptos XI and currently Peptos XII.



Perk Upchuck has green skin, six sprout-like growths on the back of his head, light-green skin on his face and belly and a crooked teeth overbite. He has whisker like lines on his face, and a green tail. He has white eyes. He also has a beard.

He wears a black and white suit with his stomach appearing. The Omnitrix symbol is located on his stomach.


Murk Upchuck has swampy-green skin, a tanned stomach and muzzles, black sprouts and black-green spots on his tail, limbs, and back. His eyes are sharp and yellow, he has whisker-like lines and his teeth are more aligned with visibly sharp canine teeth. He also has a beard.

He wears a black and white suit with his stomach appearing. The Omnitrix symbol is located on his stomach.

Powers and Abilities

Both Upchucks have four very strong, adhesive tongues that can stretch to great lengths, allowing them to latch onto large objects and reel them in with relative ease. They can eat virtually any object or matter all the way up to the Ascalon.

Besides objects and matter, both Upchucks can eat other beings such as tigers, Crabdozers, To'kustars, and even Celestialsapiens.

In the case of To'kustars, they would first have to be chopped up into bite-size chunks. In the case of Celestialsapiens, they would either be digested or spat back out.

Both Upchucks' mouths can stretch, allowing them to swallow objects larger than themselves. They are connected with a trans-space bladder dimension where they store all the "food" they eat. Both Upchucks are connected to the Gourmand species and can sense any danger to his people through his stomach.

By breathing air out of their mouths, both Upchucks are able to fly and even survive in the vacuum of space.

The items ingested by either Upchuck are converted into explosive balls of liquids that can be expelled with great accuracy. The explosive power of these "loogies" depends on the chemical composition and overall size of what Upchuck ate to create them.

Both Upchucks can eat and spit out energy, such as lasers, in the same way they eat and spit out acid matter.

Perk Upchuck can make his "loogies" curve like a boomerang, shuriken, or frisbee. He can also fire powerful streams of his explosive vomit like an energy beam by building up digested matter and releasing it all at once.

Perk Upchuck is able to take a surprising amount of punishment for a creature of his size, taking the force of a moving car impact, as well as surviving after being thrown through a wall.

Murk Upchuck can spit out slime, which can be slippery and is capable of melting ice.

Murk Upchuck can carry heavy objects in his stomach, such as the Alpha Nanite's container, and release them without having to turn them into a "loogie."


Both Upchucks have a limit to how many big objects they can swallow at once.

Both Upchucks are slow when they eat a lot of things and become excessively fat. Otherwise, they are somewhat quick, considering their small size.

If either Upchuck does not spit out something they eat, they will get very fat and rendered immobile until they spit it out.

There is a limit to the kinds of any either Upchuck can ingest, as the energy beams of an Evolved Galvan made Perk Upchuck inflate into a ball.

Murk Upchuck can be immobilized by a Necrofriggian's ice breath.

Neither Upchuck can eat materials such as Kryptonite because it is not particularly hearty and just radioactive.

Despite being able to eat a Celestialsapien, neither Upchuck can gain the latter's powers in any form or way.




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