Upchuck is the Omnitrix’s DNA sample of a Perk/Murk Gourmand from the planet Peptos XI.

Height - 2 Ft 5In Body - Humanoid Toad

Matter Digestion - Upchuck can use his elastic tongues to grab and consume any kind of material in his stomach. He can stretch his mouth to eat almost anything including cars, bombs, energy, trees, and even living creatures, and convert them into energy.

Explosive Energy Spit - The matter he consumes gets converted into energy and spit them out as explosive projectiles. The explosive power of these "loogies" depends on the chemical composition and overall size of what Upchuck ate to create them.

Enhanced Strength - Upchuck’s tongues are strong enough to lift a truck with ease, aiding him in eating large objects.

Acid Spit - His matter can also be converted into and acidic slime, melting metal in seconds.

Small Size - Upchuck is around two-and-a-half feet tall, so larger opponents can get the advantage.

Matter Limit - Upchuck has a limit to how many big objects they can swallow at once. He also becomes slow and excessively when he eats a lot of things.

Earth Food - Due to his unique biology, Upchuck can’t digest Earth cuisine. When he does he feels sick.