| Ruler | Kingdom | Era |
|---|---|---|
| Sir Firestorm | 11 | |
| Sir Firestorm | Defender of the Unholy Noble Empire | 12 |
| Mr. Firestorm | THE GOOD SIDE | 19 |
| Mr. Firestorm | 20 | |
| Mr. Firestorm | 20 | |
| Mr. Firestorm | 21 | |
| Mr. Firestorm | 21 | |
| Commander Firestorm | NARRSE | 22 |
| Commander Firestorm | NARRSE | 23 |
| Commander Firestorm | NARRSE | 24 |
| Mr. Firestorm | Sovereign States | 25 |
| Mr. Firestorm | UltraViolet | 28 |
| Mr. Firestorm | Legacy | 29 |
| Mr. Firestorm | Legacy | 30 |
| Mr. Firestorm | Legacy | 31 |
| Mr. Firestorm | Legacy | 32 |
| Mr. Firestorm | Legacy | 32 |
| Mr. Firestorm | Legacy | 33 |
| Mr. Firestorm | 40 | |
| Mr. Firestorm | 40 | |
| Ms. Firestorm | Hellbent | 47 |
| Ms. Firestorm | 48 | |
| Ms. Firestorm | 48 | |
| Ms. Firestorm | 48 | |
| Mr. Thestalos Firestorm | 47 | |
| Mr. Thestalos Firestorm | 48 | |