Maroon 5

Not the band, but the rival from Chinman's story.

Remains of Burnt Love
"Chinman"'s roomate who scored with the redhead who recently moved. Although he invited redhead, her friend, and Chinman to be part of his band, he couldn't see he was just making matters worse, specially since it would only attract an audience when Chinman stops playing. Unbeknownst to him, he would unleash the chain of events that would lead Chinman to change his fate with fire. After the fact, he's still confused about what he saw that day and Chinman's actions, but his mind is lost dwelling about the dead to escape his depression.

Off-Season 8
Episode 28

One day, M5 wakes with newfound purpose: he scrapes the courage to overcome his depression enough to confront Chinman about the fire, and to set the dispute he challenged him to a match.

Although settled, Chinman is unapologetic and his fire might burn again...