|Voice Actor||John DiMaggio|
Humungoopsaur is essentially Humungousaur and Goop's appearances combined. He has Humungousaur's body details, with the "goo" of Goop serving as the body. Goop's Anti-Gravity Projector is where it normally would be. Humungousaur's slash is where the Biomnitrix is.
Powers and Abilities
Humungoopsaur has Goop's shapeshifting and Humungousaur's strength.
- The End of an Era (first and only appearance)