"Johnny the Homicidal Maniac" is a comic book series created by Jhonen Vasquez. It follows the story of Johnny, a troubled young man who struggles with his violent impulses and mental health issues. The series is known for its dark humor and exploration of themes like isolation, madness, and the human condition. The comic features a unique art style and a cast of eccentric characters, including Squee, a young boy who becomes Johnny's friend. The narrative often delves into Johnny's psyche, showcasing his internal conflicts and the consequences of his actions, making it a cult favorite among fans of alternative comics.