Johnny the Homicidal ManiacJohnny the Homicidal Maniac.

Johnny the Homicidal Maniac (often abbreviated JtHM) is the first comic book by Jhonen Vasquez. The series tells the story of a young man named Johnny "Nny" C. as he explores the psychological and possibly supernatural forces which compel him to commit a string of murders. JtHM began as a comic strip in the 1990s, then ran under alternative comics publisher Slave Labor Graphics as a limited series of seven issues, later collected in the trade paperback Johnny the Homicidal Maniac: Director's Cut.