Fatty Arbuckle

Fatty Arbuckle was an American comedian and silent film actor.

History
When Krusty visted the post office and saw a poster of legends of comedy, he asked what Fatty Arbuckle had done that he hadn't.

Non-canon
In Grampa's story about the origin of Christmas cookies, after the custom of leaving cookies out for Santa Claus became widespread, Arbuckle became the national spokesman for the Cookie Initiative. According to Grampa, this eventually led to the Great Cookie Prohibition of 1929.