| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Belly Crusher | Freelance Alliance | 28 |
| Mr. Belly Crusher | 28 | |
| Mr. Belly Crusher | 48 | |
| Mr. Bloodcrusher | 40 | |
| Mr. Bone Crusher | 48 | |
| Mr. Bonecrusher | 48 | |
| Mr. Carl Carpcrusher | 48 | |
| Mr. Crusher | 21 | |
| Mr. Crusher | The Stronghold | 37 |
| Mr. Crusher | 48 | |
| Mr. Crusher Mcpersoncrusher | 48 | |
| Mr. Flusher | 48 | |
| Mr. Kusher | Sleepless | 47 |
| Mr. Kusher | Sleepless | 47 |
| Ms. Mia The Wall Crusher | Sisters | 48 |
| Mr. Noble Crusher | The A Team | 39 |
| Mr. Paper Pusher | Royal Order of Claidhmore | 48 |
| Mr. Skull Crusher | 48 | |
| Mr. Skullcrusher | Freelance Alliance | 27 |
| Mr. Skullcrusher | Freelance Alliance | 28 |
| Sir Skullcrusher | Freelance Alliance | 28 |
| Mr. Skullcrusher | 48 | |
| Mr. Starcrusher | 48 | |
| Mr. Starcrusher | 48 | |
| Mr. Terrible The Crusher | Collective | 48 |
| Prince Tharok Bonecrusher | Luna Wolves | 26 |
| Mr. Troy Usher | 47 | |
| Mr. Usher The First | 48 | |
| Mr. Xskullcrusherx | 48 | |
| Mr. Xskullcrusherx | 48 | |