Mr. Tiny

 is a one time character in Mr. Bean: The Animated Series. He only appeared in the episode Scaredy Bean. He teamed up with Mr. Bean to defeat the fly, as well as to survive the attack of Kat and Blob (although it was only in Mr. Bean's dream).

The Cereal
Mr. Tiny has his own cereal in the episode Super Trolley

You can see the cereal in the scene where he was getting it using the car.

Trivia

 * TBA