B.O.B. is one of the protagonists of Monsters vs Aliens.
History[]
B.O.B. was once an ordinary tomato injected with a ranch flavored dessert topping. Soon it turned him into a goofball slime monster. After that he was captured. After he meets Ginormica, he jokes about hurting his back only to reveal he doesn't have a back. Later on after being devastated about the invisible man having died after the other monsters admit it, the monsters are released in order to fight an alien probe. Later on after defeating it, they are given freedom. At a pool party, they scare everybody while B.O.B. flirts with some jello. After comforting Ginormica after she was dumped by Derek, they see her get abducted. Soon they are given Jet packs and after that they board the mothership. After that they destroy the alien mothership. Later on they are hailed as heroes and B.O.B. even tells Derek that he has a new love in the jello.