| Clue | Source | Date |
|---|---|---|
| "Who's on First?" comic (In this answer, note the first 2 letters + the last 2) | Universal | 18 Sep 2024 |
| Lou Costello's comedy partner (3,6) | ||
| “Who’s on First?” comedian | Wall Street Journal | 29 Aug 2022 |
| Straight man in a double act whose films include Buck Privates and Lost in a Harem | The Times Specialist Sunday | 08 Sep 2019 |
| "Pardon My Sarong" costar | ||
| "Who's on First?" straight man | ||
| Lou Costello's partner |