He maintains a public persona that is charming and mysterious makes him adept at manipulating others. He is a narcissistic and sociopathic teenager. He admits to being a psychopath and is not remorseful for his actions. Billy is highly intelligent and a strategic planner, meticulously crafting his murders to look like a horror movie with himself as the mastermind. He takes pleasure in the power he wields through this control and deception. 