

Kevin Spencer was regularly described as a ''chain-smoking alcoholic sociopath,'' having a multitude of mental disorders; notably ADHD (attention deficit hyperactivity disorder), ASPD (antisocial personality disorder) and psychosis. His dysfunctional mental state paired with a general lack of inhibitions, his poor upbringing, his various substance dependencies and the influence of his imaginary friend Allen the Magic Goose led to Kevin being a predominantly unstable and oftentimes violent person. Motivated by short-term gratification—usually in the form of securing his next fix or "sorting things out" (rectifying perceived slights against him, usually through brutality)—and seemingly unable to comprehend how his own actions can and do have negative consequences, Kevin regularly found himself incarcerated for his various crimes, much like his father and the majority of the Spencer family. When not imprisoned, Kevin spent his days tormenting the neighborhood with his anti-social behavior
Talks fast, then backpedals; uses self-deprecating humor and short reassurances.