Possible Questions:
- Richie's dad, to the Fonz
- Howard Cunningham, to Fonzie
- Richie's dad, to Fonzie
- Shortcake's dad, to Fonzie
- "Happy Days" nickname
- ''Happy Days'' dad, informally
- Richie's pop, to the Fonz
- Perry Como, affectionately
- Howard Cunningham, informally
- Address used by Fonzie
- "Happy Days" father, informally
- "Happy Days" dad, to Fonzie
- "Happy Days" dad, to Fonzie
- "Happy Days" address
- ''Happy Days'' dad, to Fonzie