| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Harkaa | Music | 29 |
| Mr. Harkaa | Flamers United | 30 |
| Mr. Harkaa | Music | 30 |
| Mr. Harkaa | Music | 31 |
| Mr. Harkaa | Music | 32 |
| Mr. Harkaa | Sheolic Empire | 33 |
| Mr. Harkaa | Music | 33 |
| Mr. Harkaa | Music | 33 |
| Sir Harkaa | Allied Independents | 40 |
| Mr. Harkaa | 40 | |
| Sir Harkaa | Phi Factor | 41 |
| Sir Harkaa | Allied Independents | 41 |
| Warlord Harkaa | 44 | |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | 47 | |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | Fate | 47 |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | Super Happy Fun Group | 47 |
| Warlord Harkaa | 48 | |
| Warlord Harkaa | Super Happy Fun Group | 48 |
| Warlord Harkaa | Super Happy Fun Group | 48 |