Ultimate Goop is the Ultimate version of Goop. He first appeared in You're Such a Sloth! when Goopie turned into Ultimate Goopie.
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Appearance[]
Ultimate Goop is now blue, taller and more muscular. He has four arms and four legs and his UFO is gone. Sometimes he changes his shape so that he looks like regular Goop but blue.
Powers and Abilities[]
Ultimate Goop has the ability to change his appearance. He can also become water. Ultimate Goop can absorb water making himself larger. He can shoot water, goop and acid. He can shoot plain water or goop and then after it has been shot he can change it so that it is an acidic substance.