B.O.B. stands for "Batteries Operated Boy," a character from the animated film series Cloudy with a Chance of Meatballs. He is a small, blue, and round creature created by the main character, Flint Lockwood. B.O.B. is known for his goofy personality and his ability to absorb various substances, which often leads to humorous situations. In the films, B.O.B. serves as a loyal friend to Flint and his other companions. He is characterized by his lack of a brain, which contributes to his silly antics and carefree attitude. B.O.B. plays a significant role in the adventures that unfold in the series, providing comic relief and support to the team.