Trevor is a vengeful, brutal, ruthless, sadistic, impetuous, and psychotic man, and described as very hard to work with and is prone to sudden and violent outbursts. Trevor was described as a difficult person to deal with, being extreme, unhinged, impetuous, unpredictable, sociopathic and prone to violent outbursts. He really is a very despicable person. But this ironically makes him a likable character, because he is funny with Rockstars style of humor.