Danny Phantom is an American animated television series created by Butch Hartman for Nickelodeon. It was produced by Billionfold Studios and distributed by Nelvana, a Canadian animation company and Paramount Television. The series follows a teenage boy who, after an accident with an unpredictable portal between the human world and the supernatural "Ghost Zone", becomes half-ghost and frequently saves his town from ghost attacks, while attempting to keep his ghost half a secret from everyone, except for his best friends and, later, his sister.