He suffers from Narcolepsy, which allows him to sleep pretty much anywhere, but he suffers from hallucinations and sleep paralysis because of it. He met a fallen angel named Sapphire, and let her live with him, and she even became his girlfriend after a while of living with him. He also has a brother named Trevor, though, despite Caleb being a human, Trevor is a werewolf. And one of his best friends is a Cupid like dragon named Min.