| Ruler | Kingdom | Era |
|---|---|---|
| Viceroy Slim | torn | 17 |
| Mr. Slim | darknights of exile | 19 |
| Mr. Slim | Wheel of Time | 20 |
| Mr. Slim | 48 | |
| Mr. Slim | Daffodils | 48 |
| Ms. Slim Fast Diet | 47 | |
| Viceroy Slim Jim | torn | 18 |
| Mr. Slim Shady | 48 | |
| Mr. Slime | United Nations Space Corporation | 32 |
| Mr. Slime | 48 | |
| Mr. Slimjim | 19 | |
| Mr. Slimjim The Second | darknights of exile | 18 |