John Wayne Gacy, Jr. (March 17, 1942 – May 10, 1994; pronounced GAY-see), also known as The Killer Clown and Pogo the Clown, was an American serial killer. He is confirmed to have killed 33 young men and teenage boys. He killed them in a brutal way and buried their bodies in or near his Chicago home. Gacy did not use a gun for any of his crimes.