| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Pikachu | Phi Empire | 22 |
| Mr. Pikachu | Phi Empire | 22 |
| Duke Pikachu | Abydos | 39 |
| Duke Pikachu | Chocolate | 40 |
| Mr. Pikachu | 45 | |
| Mr. Pikachu | Nom Nom Nominion | 47 |
| Mr. Pikachu | Nom Nom Nominion | 47 |
| Mr. Pikachu | Usual Suspects | 48 |
| Mr. Pikachu | 48 | |
| Mr. Pikachu | 48 | |
| Mr. Pikachu | 48 | |
| Mr. Pikachu | 48 | |
| Mr. Pikachus Revenge | Phi Empire | 22 |
| Duke Red Eyed Pikachu | Guild of the Fallen | 47 |
| Duke Red Eyed Pikachu | Guild of the Fallen | 47 |
| Duke Red Eyed Pikachu | Guild of the Fallen | 48 |