| Ruler | Kingdom | Era |
|---|---|---|
| Sir Cadmus The Fearsome | The Federation | 46 |
| Lady Fate Sucks Fear | Ravage Regime | 47 |
| Mr. Fear | United Nations Space Corporation | 32 |
| Mr. Fear | United Nations Space Corporation | 32 |
| Mr. Fear | 38 | |
| Mr. Fear | FEAR | 38 |
| Mr. Fear | Insane | 38 |
| Mr. Fear | 45 | |
| Mr. Fear | 47 | |
| Mr. Fear | 48 | |
| Mr. Feardel The Saint | Ragnarok | 48 |
| Mr. Feardellas | Poodles From Hell | 47 |
| Mr. Feardellas The Shortstop | Poodles From Hell | 47 |
| Mr. Feardom | Ephasions | 34 |
| Mr. Fearful | Midnight | 48 |
| Mr. Fearful | 48 | |
| Ms. Fearful Farming Skills | Army Of Four | 48 |
| Mr. Fearmeh | 48 | |
| Mr. Fearn | Godlike Noobs | 36 |
| Mr. Fearrr | Infection | 48 |
| Mr. Fearz | 47 | |
| Mr. Great Fear | 48 | |
| Mr. Grim Fear | 48 | |
| Mr. Hannibal The Fearsome | Star Wars | 48 |
| Mr. Ignis The Fearow | Mad and Dangerous | 47 |
| Ms. Lanfear | 28 | |
| Ms. Lanfear | the younger jester | 28 |
| Ms. Lanfear | The Brotherhood | 28 |
| Ms. Lanfear | the younger jester | 28 |
| Mr. Lanfear Damodread | Forget Everything and Run | 47 |
| Mr. Mostfearsomeruler | 48 | |
| Saint Mystafear | 47 | |
| Mr. The Red Fear | Knight Riders | 31 |
| Mr. Visionfear | 48 | |