| Ruler | Kingdom | Era |
|---|---|---|
| Duke Bad Kitty | Insane Asylum | 42 |
| Ms. Hello Kitty | Wardens of Wisdom | 47 |
| Ms. Hello Kitty | Wardens of Wisdom | 47 |
| Ms. Hello Kitty | 48 | |
| Ms. Hello Kitty | 48 | |
| Mr. Hellokitty | 48 | |
| Sir Jondrus Kitty Kicker | Dendarii | 47 |
| Mr. Kitty | the liberators | 28 |
| Ms. Kitty | 48 | |
| Ms. Kittykat | 48 | |
| Mr. Kittysmasher | 48 | |
| Mr. Kittysmasher | 48 | |
| Mr. Sad Kitty | 48 | |
| Ms. Yellow Kitty | 48 | |
| Ms. Yellow Kitty | Tiny Rick Adventures | 48 |