| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Bull | 48 | |
| Mr. Bull Dog | 48 | |
| Mr. Bulldog | 48 | |
| Mr. Bullet | 48 | |
| Mr. Bullroarer Took | Imperium | 48 |
| Mr. Bullroarer Took | Elysium | 48 |
| Mr. Bullseye | Susuwatarii | 48 |
| Mr. Bullseye II | 47 | |
| Mr. Bullwinkle Moose | 48 | |
| Mr. Bully | 28 | |
| Death Lord Draven The Pitbull | Fate | 44 |
| Mr. Edd The Mad Bull | Lightning Hearts | 44 |
| Mr. Funnybully | 48 | |
| Mr. Hairybullock | Brotherhood of the Wolf | 48 |
| Mr. Labobbullrell | Mad Against Drugs | 46 |
| Mr. Pintobull | THE EVIL SIDE | 19 |
| Mr. Pitbull | 19 | |
| Mr. Pitbull | 19 | |
| Mr. Pitbull | The Old Firm | 35 |
| Mr. Pitobullo | 19 | |
| Mr. Redbull | 26 | |
| Mr. Tibbullueye | 42 | |
| Mr. Unseensniperbullet | 40 | |