 Baio had become familiar to "Happy Days" viewers as Charles "Chachi" Arcola, cousin of Fonzie (Henry Winkler).He and young actress Tammy Lauren were entered into the fray of "Legs" as two kids who lived with their showgirl sisters.Only now, two showgirls instead of four would be the main focus; Kaye and Goodfriend were chosen to be the top-billing stars, while Kirkes and Bolton were relegated to smaller supporting roles.