| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Durgan Forgesong | 48 | |
| Lord Emberforge | Royal Order of Claidhmore | 32 |
| Mr. Fireforge | Mirror | 26 |
| Mr. Fireforge | Carnage | 27 |
| Kushlord Fireforge | Royal Order of Claidmore | 47 |
| Mr. Flint Fireforge | Mirror | 26 |
| Mr. Flint Fireforge | Mad and Dangerous | 48 |
| Mr. Forge | 47 | |
| Lord Forge | 48 | |
| Mr. Forget IT | Ultimate Alliance | 26 |
| Mr. Forget Not | 47 | |
| Mr. Forget Not | Rome | 47 |
| Mr. Forget Not | 47 | |
| Mr. Forget Not | 47 | |
| Mr. Forget Not | 47 | |
| Mr. Forget Not | 47 | |
| Mr. Forget Not | 48 | |
| Mr. Forget Not | 48 | |
| Mr. Forget Not | Rome | 48 |
| Mr. Forgetfire | 40 | |
| Mr. Forgetful | 47 | |
| Ms. Forgetmenot | test | 48 |
| Mr. Goldforge | 48 | |
| Mr. Grayforge | 48 | |
| Mr. Ironforge | 20 | |
| Mr. Never Forget | royal | 48 |
| Mr. Pops The Forgetful | 48 | |
| Mr. Unforgetable Slayers | 12 | |