| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Midnight | Flamers United | 31 |
| Mr. Midnight | Freedom Fighter | 32 |
| Mr. Midnight | Freedom Fighter | 33 |
| Mr. Midnight | 34 | |
| Mr. Midnight | 35 | |
| Mr. Midnight | Elements | 37 |
| Mr. Midnight | 37 | |
| Ms. Midnight | Music | 47 |
| Ms. Midnight | Music | 47 |
| Ms. Midnight | Music | 47 |
| Ms. Midnight | Music | 47 |
| Ms. Midnight | 48 | |
| Ms. Midnight | Music | 48 |
| Mr. Midnight Sun | 48 | |
| Mr. Midnight Train | 48 | |