| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Toxic | The Illuminati Empire | 23 |
| Mr. Toxic | Brotherhood of the Wolf | 23 |
| Mr. Toxic | The Illuminati Empire | 23 |
| Mr. Toxic | The Illuminati Empire | 24 |
| Mr. Toxic | The Illuminati Empire | 25 |
| Mr. Toxic | The Illuminati Empire | 26 |
| Mr. Toxic Avenger | Superheroes | 35 |
| Mr. Toxic Sludge | Poodles From Hell | 47 |