(Born Oct. 30, 1945) Henry Winkler is an actor, director, producer and author who is most famous for his role as Arthur "Fonzie" Fonzarelli on the popular sitcom Happy Days (1974?1984). Winkler gained national fame for his auto mechanic-greaser role as "The Fonz", starting out as a minor character at the show's beginning but having top billing by the time the show ended.