B.O.B. aka Benzoate Ostylezene Bicarbonate is a blue one-eyed indestructible gelantinous mass that was created in a laboratory when scientists injected a chemically-altered ranch dressing into a genetically-altered tomato in Monsters vs. Aliens. As explained by Dr. Cockroach, B.O.B. has no brain.
- B.O.B. was voiced by Seth Rogen.
- B.O.B. will meet Winnie the Pooh and his friends in Pooh's Adventures of Monsters vs. Aliens.
- B.O.B. will meet Ash Ketchum and his friends in Ash's Adventures of Monsters vs. Aliens.
- B.O.B. will meet Roary the Racing Car, Theodore Tugboat and their friends in
- B.O.B. is also great friends with Pinkie Pie, Pepper Clark, Charlie, .