| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Black Hart | Kunts | 48 |
| Mr. Brett The Hitmanhart | Sol Invictus | 41 |
| Mr. Butchart | 48 | |
| Mr. Chartier | 48 | |
| Mr. Chartreuse | 44 | |
| Mr. Darthart | 47 | |
| Mr. Eckhart | 48 | |
| Mr. Eckhart | 48 | |
| Mr. Elkhart | Boo | 34 |
| Mr. Hart | Dohecahedron | 47 |
| Mr. Hart | 48 | |
| Mr. Harthee | 40 | |
| Marquess Hartmut | Good | 47 |
| Marquess Hartmut | Good | 47 |
| Marquess Hartmut | Good | 47 |
| Marquess Hartmut | Good | 47 |
| Marquess Hartmut | 48 | |
| Mr. Hartmut | 48 | |
| Sir Hartonious The Halfling God | VU Police | 48 |
| Sir Hartonious The Humbled | VU Police | 47 |
| Sir Hartonious The Traffic Cop | VU Police | 47 |
| Sir Hartonious The Trafic Cop | VU Police | 47 |
| Mr. Hartonius | AntiFederation | 45 |
| Sir Hartonius of Olympus | VU Police | 47 |
| Sir Hartonius of The Rising Sun | Legion Of the Risen Dragon | 46 |
| Sir Hartonius The Second | AntiFederation | 46 |
| Mr. Harts | 27 | |
| Mr. Lockhart | 37 | |
| Mr. Mike Hart | 24 | |
| Mr. Professorphartz | 48 | |
| Mr. Redhart | wolf pack | 48 |
| Mr. Reinhart | ZEON | 26 |
| Mr. Reychart | 48 | |
| Lady Selphine Blackhart | Templar Elites | 15 |
| Mr. Sieghart | The Black Chain | 32 |
| Mr. Sieghart | Havoc | 32 |
| Ms. Silvia Blackhart | 14 | |
| Mr. Stan Phartz | 48 | |
| Mr. Stan Phartz | Elysium | 48 |
| Mr. Uncharted | The Furry Cocks | 48 |
| Mr. Vihart | 48 | |