A.B. Sitter (voiced by Gregg Berger) is a character from Fantastic Max.
A.B. Sitter is a toy robot who was brought to life by FX. He is often trying to keep Max out of danger. A.B. doesn't like going in space like the others but goes anyways to keep Max out of trouble. He also provides most of the mature humor in the show. He also has the fewest episodes dedicated to him.
A.B. Sitter is a toy robot with yellow skin and an orange nose. He wears a blue suit and blue legless pants. His arms ar orange and pale yellow striped and his legs are red and white striped. His feet are a dark turquoise color.