Crossword clues for the word: THEFONZ The word THEFONZ has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for THEFONZ Showing 1 to 10 of 10 results Clue(s) """Happy Days"" biker, briefly (4)" """Happy Days"" tough guy" """Sit on it!"" character" "Motorcycle-riding ""Happy Days"" character (4)" Chachi's cousin He often had two thumbs up Richie's mentor Shark-jumping sitcom character Sitcom character with a leather jacket that's now in the Smithsonian Winkler role