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Scott Baio played the role of Charles 'Chachi' Arcola on the 1970s sitcom 'Happy Days.' He later starred in 'Charles in Charge,' 'Baby Talk,' and 'Diagnosis Murder.' Baio recently co-hosted a VH1 reality show called 'Confessions of a Teen Idol.' He also appeared as himself on VH1's 'Scott Baio is 45...and Single' and 'Scott Baio is 46...and Pregnant.'