Answer
Jackie Mason voiced-over the character of Rabbi Hyman Krustofski in The Simpsons. The character is the father of Krusty the Clown, who is also voiced by Mason. Rabbi Krustofski is a strict and religious man who does not approve of his son's career as a clown. He often tries to get Krusty to change his ways, but Krusty is usually not interested in listening.