| Clue | Source | Date |
|---|---|---|
| Monkey in kids' books | Thomas Joseph | 31 Jul 2026 |
| Kiddie lit hero created by Hans and Margret Rey (#18) | LA Times Daily | 18 Feb 2018 |
| Kiddie lit hero created by Hans and Margret Rey (#18) | ||
| Inquisitive Rey character | Universal | 08 Jan 2018 |
| Kiddie lit hero created by Hans and Margret Rey (#18) | ||
| Inquisitive Rey character | ||
| Monkey of kid-lit | ||
| H.A. Rey character | ||
| Inquisitive Carlin? (Rey) |