Best known for playing the role of class clown, Ralph Malph on the television show, Happy Days.
He gained a love for acting while in third grade after watching the Al Jolson Story and dropped out of college in his senior year to pursue his dream.
Besides Happy Days, he was also featured on EdTV and The Love Boat.
He married Morgan Hart in 1982 and they have two daughters.
He made an appearance in the television show, Glee starring Jane Lynch.