Answer: THEFONZ

AnswerCrossword Clue
THEFONZ"Sit on it!" character
THEFONZHe often had two thumbs up
THEFONZ"Happy Days" character
THEFONZ"Happy Days" tough guy
THEFONZChachi's cousin
THEFONZWinkler role
THEFONZSitcom character with a leather jacket that's now in the Smithsonian
THEFONZShark-jumping sitcom character