| Ruler | Kingdom | Era |
|---|---|---|
| Viceroy Crom | Invicta | 13 |
| Sir Crom | 14 | |
| Sir Crom | Abydos | 16 |
| Viceroy Crom | Abydos | 17 |
| Sir Crom | 18 | |
| Sir Crom | 19 | |
| Sir Crom | Wankers | 19 |
| Sir Crom | 19 | |
| Sir Crom | Wankers | 19 |
| Sir Crom | Abydos | 23 |
| Sir Crom | Abydos | 24 |
| Sir Crom | Abydos | 25 |
| Sir Crom | Abydos | 26 |
| Sir Crom | Abydos | 26 |
| Sir Crom | Abydos | 26 |
| Sir Crom | Abydos | 26 |
| Sir Crom | Abydos | 26 |
| Lord Crom | Abydos | 27 |
| Lord Crom | Nemesis | 28 |
| Lord Crom | Abydos | 29 |
| Lord Crom | Abydos | 30 |
| Lord Crom | Abydos | 31 |
| Lord Crom | Abydos | 32 |
| Lord Crom | Abydos | 32 |
| Mr. Crom | 40 | |
| Mr. Crom | Abydos | 47 |
| Mr. Crom | 47 | |
| Mr. Crom | Abydos | 47 |
| Mr. Crom | Abydos | 47 |
| Mr. Crom | 48 | |
| Mr. Crom | Abydos | 48 |
| Mr. Crom | The Visual Utopia Empire | 48 |
| Mr. Croman | Blood Clan | 23 |
| Mr. Crome | 48 | |
| Mr. Crome Skull | 48 | |
| Mr. Cromo | 48 | |
| Mr. Cromwell | 16 | |
| Mr. Dark Necromancer | 24 | |
| Sir Dyrness The Necromancer | Domination | 45 |
| Mr. Necrom | 46 | |
| Mr. Necrom | 46 | |
| Mr. Necrom | 46 | |
| Mr. Necrom | 46 | |
| Mr. Necromancer | Holy | 20 |
| Necromancer Necromancer | Roman Empire | 40 |
| Mr. Necromorph | Cease Exist | 47 |
| Mr. Necromundus | 20 | |
| Mr. Necromundus | 21 | |
| Lord Protector Oliver Cromwell | Fate | 47 |