|Powers and Abilities|
|Voice Actor||Dee Bradley Baker|
|First Appearance||Time To Go Useless|
|Evolved Form/Devolved Form||Goop|
Ultimate Goop is an evolved Polymorph from the planet Viscosia in Ben 10: Omnitrix Unlimited.
He looks like Alien Force/Ultimate Alien Goop but without the Anti-Gravity Projector, he is red, he has blades on his shoulders like Way Big and has spikes on his arms.
Powers and Abilities
He has all of Goop powers, but 10 times more powerful. He is stronger than Humungousaur. He can still fly. He is immune to all electrical, ice and fire attacks. He can survive in the space vacuum.
Water can make him lose control of his slime for a short period of time.
- Ultimate Goop first appeared in Time To Go Useless,
- Ultimate Goop defeated Dr. Psychobos and Khyber.
- In You Are Begging For Trouble,
- Ultimate Goop fought Dr. Animo's mutated animals.