| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Effer | NSYNC | 47 |
| Mr. Efferr | Candlewax | 47 |
| Mr. Heffer The Halfer | The Death Dealers | 47 |
| Mr. Holy Heffer | 48 | |
| Mr. Jefferson Davis | rebels | 26 |
| Mr. Jefferson Davis | 26 | |
| Mr. Jefferson Davis | rebels | 27 |
| Mr. Jefferson Davis | Confederate States of America | 48 |
| Mr. Jefferson Davvis | rebels | 27 |
| Mr. Jefferson Dwarf | The Federation | 48 |
| Mr. Jeffery | 48 | |
| Mr. Thomas Jefferson | 31 | |