Bo is a bully at Jimmy's school, always picking on Jimmy and calling him gay. He first shows up when he visits his girlfriend at her work where Jimmy is trying to become her friend.In about the middle of the movie, Bo challenges Jimmy in the wrestling team tryouts, helping Jimmy realize his potential as a werewolf. Jimmy calls him gay before kicking his butt in their match.The next time Bo enters the movie, he's come to see Jimmy at home. He admits he's gay and liked Jimmy all along. After that, Bo is Jimmy's ride to the Tinsel opening and tries to help Jimmy in his fight against the other werewolves.In the end, Bo brings Brooke to see Jimmy where Jimmy and Brooke hook up. Jimmy offers to walk Brooke home and invites Bo along. It appears they'll be good friends now.