this is quick hunch but the characters reminded alot of vocaloid song here it is
Harold:Two-Sided-Lovers
Chester:Rolling Girl
Spencer:Sweet Devil
Dozer:Im sorry Im sorry
Darius:Romeo and Cindelera
MC:Tuluthin Antenna
If you read some of the lyrics of the songs that I put you can see how I think of this
If you disagree just reply (-¿_-)?