Scott Baio

Happy Days (ABC)
Shown from Left: Scott Baio (as Charles 'Chachi' Arcola), Anson Williams (as Warren 'Potsie' Weber), Ron Howard (as Richard 'Richie' Cunningham), Henry Winkler (as Arthur 'Fonzie' Fonzarelli), Don Most (as Ralph Malph)
Supplied by WENN