| Clue | Source | Date |
|---|---|---|
| Common element of vaudeville | LA Times Daily | 21 May 2025 |
| Joke often delivered by pantomime | Universal | 06 Jan 2024 |
| Many a Harpo Marx joke | Thomas Joseph | 08 Apr 2021 |
| Many a Harpo Marx joke | New York Times | 07 May 2016 |
| Staple of Road Runner cartoons | Newsday | 26 Dec 2015 |
| Staple of Road Runner cartoons | ||
| Marx Brothers mirror routine, e.g. | ||
| Red Skelton specialty | ||
| Wordless comic bit |