Johnny C, also known as "Nny" (pronounced "knee"), is the protagonist of Jhonen Vasquez's first comic, Johnny the Homicidal Maniac, who makes cameo appearances in the rest of his work. Nny is a deranged serial killer, mass murderer and spree killer who interacts with various other characters, generally by murdering or torturing them. He elaborately kills anyone who even slightly irritates him, then drains their blood and paints a certain wall in the bowels of his house with it "to keep the Thing from behind the wall from getting out".