| Clue | Source | Date |
|---|---|---|
| Full last name of a "Happy Days" cool dude | LA Times Daily | 14 Aug 2017 |
| Full last name of a 'Happy Days' cool dude | The Washington Post | 14 Aug 2017 |
| Full last name of a "Happy Days" cool dude | ||
| Sitcom Arthur better known by his nickname | ||
| Fictional character known for jukebox hits? |