| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Pluto | Lost Souls | 47 |
| Mr. Pluto | 48 | |
| Mr. Pluto | Realm of Gras | 48 |
| Mr. Pluto | Doggy Style | 48 |
| Mr. Pluto Cry Omen | 24 | |
| Mr. Pluto Cry Omen | Holy Flame | 25 |
| Mr. Pluto The Spacepussymonsta | The All You Can Eat Buffet | 47 |
| Sir Plutonium | The Dacians | 32 |
| Mr. Plutonium | Elements | 33 |
| Mr. Plutonium | Elements | 34 |
| Mr. Plutonium | Elements | 37 |
| Mr. Plutonium | Elemental Sanctuary | 38 |