Rido Lenni
| Rido Lenni Millennium Peridot Sterling Calvin Brie | |
| middle school student | |
 picrew | |
| race | human |
| pronouns | he/him/his |
| age | 14 |
| birthday | December 31, 1999 |
| residence | 1205 Saberline Avenue Edge City |
Rido Lenni (full name Millennium Peridot Sterling Calvin Brie) is a middle school student from Edge City, an autonomous city-state on the Centralia–Discordantia border.
During the summer, Rido works part-time at Ante Meridiem Electronics alongside Baby Blue.