| Ruler | Kingdom | Era |
|---|---|---|
| Duke Chade The Unknown | Kingdom of Heaven | 47 |
| Mr. Iamtheunknownone | 48 | |
| Mr. Insane Unknown | Kingdom Hearts | 47 |
| Mr. Iunknowni | 48 | |
| Mr. Percy The Unknown | 48 | |
| Mr. Theunknown | 48 | |
| Sir Unknown | Hellspawn | 13 |
| Sir Unknown | Hellspawn | 13 |
| Mr. Unknown | Pirates | 21 |
| Mr. Unknown | Holy | 21 |
| Mr. Unknown | Pirates | 22 |
| Mr. Unknown | Pirates | 22 |
| Mr. Unknown | Angels | 28 |
| Mr. Unknown | The Merchants of Death | 28 |
| Mr. Unknown | 45 | |
| Mr. Unknown | Forget Everything and Run | 45 |
| Mr. Unknown | Forget Everything and Run | 47 |
| Mr. Unknown | Forget Everything and Run | 47 |
| Mr. Unknown | 47 | |
| Mr. Unknown | Special Forces | 48 |
| Mr. Unknown | 48 | |
| Mr. Unknown Acc | 48 | |
| Mr. Unknown IV | United Nations Space Corporation | 33 |
| Mr. Unknown Nameless One | 48 | |
| Mr. Unknown V | United Nations Space Corporation | 33 |