| Clue | Source | Date |
|---|---|---|
| Johnny -, actor who played Leonard Hofstadter in US television sitcom The Big Bang Theory (7) | Mirror Quiz | 08 Jun 2025 |
| Johnny -, actor who played Leonard in US sitcom The Big Bang Theory | Mirror Quiz | 15 Mar 2025 |
| Johnny _, played Leonard in The Big Bang Theory (7) | ||
| Actor Johnny of 'The Big Bang Theory' and 'Roseanne' | Jonesin | 17 Apr 2018 |