Doyle is Ray's best friend. He lives in the town of Hoppers. Used to date Stacy and also used to be Lily Rivera's boyfriend. He has a history with violence and served two years in jail for an issue related with it. When asked about it, he vaguely mentions that he had hit a girl in self-defense.

He became homosexual after leaving Hoppers. He lives and works with Sid Doan in Phoenix for a short period of time, then he moved back to L.A. He also is a cancer survivor.