| Clue | Source | Date |
|---|---|---|
| "Matty's Funnies with ___ and Cecil"; cartoon series of old | ||
| Cecil's cartoon pal | Thomas Joseph | 10 Oct 2020 |
| Cecil's cartoon pal | Universal | 29 Mar 2015 |
| Cecil's pal on 1960s TV | Wall Street Journal | 27 Mar 2015 |
| Cecil the sea serpent's pal | Universal | 14 Jan 2015 |
| Cecil the sea serpent's pal | ||
| Cecil's cartoon pal | ||
| Cecil's pal on 1960s TV | ||
| Cecil's cartoon friend | ||
| Pal of Cecil the sea serpent | ||
| Cecil's cartoon pal | ||
| Cecil's cartoon pal | ||
| Cecil's pal | ||
| Pal of Cecil the sea serpent | ||
| Campus cap: Var. | ||
| Skullcap: Var. | ||
| Full of vim: Slang. | ||
| Lively: Slang. | ||
| Spirited: Slang. | ||
| Full of life: Slang. | ||
| High-spirited: Slang. | ||
| Spirited. | ||
| Mettlesome |