Eustace DeMonic is the CEO of Scumlabs in Rampage World Tour. He appears after a monster destroys an entire part of the world. He is hinted to be talking on a phone with Dr. Elizabeth Veronica. By the end of the game, he gets tired of the monsters ruining his company's reputation. He mutates himself into a monster. He goes after the monsters himself, and pursues them to the moon. He makes his first appearance as a mutant in the final Earth level. He is destroyed on the moon.