| Ruler | Kingdom | Era |
|---|---|---|
| Dark Doctor | Excalibur | 32 |
| Mr. Doctor | Essential to Humanity | 46 |
| Mr. Doctor | DOA | 47 |
| Mr. Doctor | DOA | 47 |
| Mr. Doctor | DOA | 47 |
| Mr. Doctor | 48 | |
| Mr. Doctor House | House MD | 37 |
| Mr. Doctor House | 37 | |
| Professor Doctor Pepper | 48 | |
| Mr. Doctor Relm | The Following of Freeman | 48 |
| Mr. Doctor Strange | Superheroes | 35 |
| Mr. Doctor Thickensu | 48 | |
| Mr. Doctor Who | Hot Inactive Veterans | 44 |
| Mr. Doctor Who | Candlewax | 47 |
| Mr. Doctorikc | 48 | |
| Mr. Legend The Doctor Who | G O D L I K E | 47 |
| Mr. The Doctor | Organization XIII | 47 |
| Mr. The Doctor | Storm Cloaks | 47 |
| Mr. The Doctor | Storm Cloaks | 47 |
| Mr. The Doctor | Storm Cloaks | 47 |
| Mr. The Doctor | Organization XIII | 47 |
| Mr. The Doctor | Storm Cloaks | 47 |
| Mr. The Doctor | Storm Cloaks | 47 |
| Mr. The Doctor | Storm Cloaks | 48 |
| Mr. The Doctor | Storm Cloaks | 48 |
| Mr. The Doctor | 48 | |
| Mr. Witchdoctor | Hydrogen Dioxide | 48 |