| 100% | ABBOTT | 6 | ''Who's on First?'' straight man |
| 100% | ABBOTT | 6 | "Who's on First?" straight man |
| 100% | ABBOTT | 6 | “Who’s on First?” straight man |
| 68% | SECOND | 6 | Who's on First, What's on __ |
| 65% | NOONE | 5 | Who's on first, at the top of the inning |
| 64% | LINEUP | 6 | It reveals who's on first |
| 61% | ALAN | 4 | First name of two of the dozen men who have walked on the Moon |
| 60% | LOU | 3 | Who asked "Who's on first?" |
| 60% | COSTELLO | 8 | "Who's on first?" asker |
| 60% | TODAY | 5 | "Who's on First?" catcher |
| 60% | COSTELLO | 8 | "Who's on First?" comic |
| 60% | NEIL | 4 | ___ Armstrong, first human on the moon who took "one small step for man" |
| 59% | LOUCOSTELLO | 11 | "Who's on First?" funny guy |
| 59% | WHY | 3 | "Who's on First?" left fielder |
| 57% | HILLARY | 7 | First man on Mt. Everest's peak, Edmund __ Kiwi |
| 57% | DON | 3 | Draper who's the main character on "Mad Men" |
| 57% | ARMSTRONG | 9 | American astronaut Neil, who is known to be the first man to walk on the moon |
| 57% | CHAR | 4 | Actor who played a character with the same first name on "Two and a Half Men" |
| 57% | LOU | 3 | He asked Bud "Who's on first?" |
| 56% | ERNO | 4 | First name of man who invented the Rubik's Cube |
| 56% | TODAY | 5 | Catcher in the "Who's on First?" routine |
| 56% | BUD | 3 | Half of the "Who's on First?" duo |
| 56% | GERE | 4 | Richard who was the first man featured on the cover of American Vogue |
| 55% | LOU | 3 | Costello in the "Who's on First?" comedy routine |
| 55% | NEIL | 4 | First name on ''First Man'''s cover |
| 54% | ADAM | 4 | Man on first? |
| 54% | EDIE | 4 | First name of the actress who plays Tommy on CBS's "Tommy" |
| 54% | LOU | 3 | Bud's "Who's on First?" partner |
| 53% | GERE | 4 | First man featured on the cover of the U.S. edition of Vogue |
| 53% | AMAL | 4 | First name of George Clooney's wife, who delivered twins on June 6 |