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What, you never seen a clown before?
~ Gacy's most famous quote

John Wayne Gacy is the villain protagonist of the 2003 thriller/horror film Gacy. He is a fictionalized version of the serial killer and rapist John Wayne Gacy, who sexually assaulted and killed over 33 men and boys in three states.

He was portrayed by Mark Holton, who also played Francis Buxton in Pee-Wee's Big Adventure.


The product of an abusive home, John was a psychopathic sexual predator who preyed on teenage boys and young men. He hid his true nature behind a cheerful, friendly facade, and he was well-liked and trusted in his community. Eventually, however, he was arrested for the rape and murder of several boys and young men, whom he had buried in the crawl space under his house.


  • John Wayne Gacy is one of three serial killers to have a film based on their crimes released in 2002, The other two are Ted Bundy and Jeffrey Dahmer.