His father got him into boxing. He used to be scared of his father, but thanks to boxing he got past the point of being scared of him.
Throughout the Series
Caleb is first seen when he's coaching Tony for Tony's anger management course. When Tony tells him that his boyfriend broke up with him a month ago, Caleb calls Brad a foolish guy. He and Tony start to spend time together outside the gym.
In "The Smile at the End of the Dock", Caleb tells Tony that he likes him a lot, and they kiss. In "The Missing Page", after Tony skips a boxing session, Caleb finds him at Monet's. He invites Tony to watch soccer with him.
When Tony and Caleb go to Tony's car and see that it's destroyed, Tony becomes aggressive. Caleb tries to calm him down, but they start fighting. Caleb hits Tony hard in the face, what causes him to get a bloody nose. Caleb apologizes as he tries to calm him down again. Tony starts crying and they make out. Caleb holds Tony and tells him it's okay.
In "The Box of Polaroids", Tony and Caleb open up to each other. Caleb tells him that he had been a fighter long before he found out he was gay, and that he was glad that he was past the point that his father could scare him.
Caleb is a fierce competitor and dedicated coach, but out of the ring has a warm smile and a wry sense of humor. He is shown to always be nice towards everyone.
Caleb is a muscular guy with dark brown eyes and black hair.