Mr. Frumble is a pig who often loses and chases his hat. He drives a pickle-car and is prone to vehicular accidents. Characters added in May 1971.
He was first appeared in Mr. Frumble's Worst Day Ever from Richard Scarry's Funniest Storybook Ever. His video appearance is Richard Scarry's Best Counting Video Ever. He makes a cameo in the introduction segment (with his hat on) in Richard Scarry's Best ABC Video Ever and in two songs Shapes (with no hat on) and Head Shoulders Knees and Toes in Richard Scarry's Best Learning Songs Video Ever (with his hat on). He also appears in The Busy World of Richard Scarry and Busytown Mysteries.