The reality of a mild-mannered and stone-cold psychopath like John Wayne Gacy is nothing like the serial killer stereotype generally presented in the news and entertainment media.

He became known as the "Killer Clown" due to his appearances at events like children's birthday parties while dressed as Pogo the Clown.

Devil in Disguise trailer transforms Severance’s Michael Chernus into one of history’s most notorious serial killers. Watch ...

Severance's Michael Chernus plays John Wayne Gacy in the first teaser and images of Devil in Disguise. See them here!