Scott Baio The Academy of Television Arts & Sciences Foundation Presents 02:26 Tabs Who talks about this person Tom BosleyView Interview Tom Bosley on "Scott Baio" as "Chachi Arcola" on Happy Days Marion RossView Interview Marion Ross on Scott Baio as "Chachi Arcola" on Happy Days Henry WinklerView Interview Henry Winkler talks about the talents of Scott Baio on Happy Days and the relationship between characters Fonzie and Chachi