| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Billy | Felicity | 48 |
| Mr. Billy | 48 | |
| Mr. Billy Bob | 48 | |
| Mr. Billy Jack | The Alliance | 24 |
| Mr. Billy Jack | The Alliance | 24 |
| Mr. Billy Jack | Slovaknia | 25 |
| Mr. Billy Jack | Slauterers | 25 |
| Mr. Billy Joe Bob | The Knights of the Black and White | 43 |
| Mr. Billy Maze | 42 | |
| Mr. Billy Pilgrim | MYTH | 47 |
| Mr. Billy War Cloud | 48 | |
| Mr. Billy Warcloud | Beothuk | 47 |
| Mr. Billy Warcloud | 47 | |
| Mr. Billy Warcloud | Music | 48 |
| Mr. Billy Warcloud | 48 | |
| Mr. Billy Warcloud | 48 | |
| Mr. Billy Warcloud | kingdom | 48 |
| Mr. Billy Warcloud | 48 | |
| Mr. Billy Warcloud | 48 | |
| Mr. Billyb | Hellbunnies | 40 |
| Mr. Billybob | 48 | |
| Mr. Billybobjoesalizarkorenzordjr | Burnt | 35 |
| Mr. Billygoat | 48 | |
| Mr. Billygoat | 48 | |
| Mr. Dumptruckbilly | 48 | |
| Mr. Hillbilly | 48 | |
| Mr. Hillbilly Jim | Super Happy Fun Group | 47 |
| Mr. Laserbilly | 48 | |
| Mr. Sport Billy | 48 | |
| Ruthless The Hillbilly Guru | Hillbilly Mafia | 48 |