Mike Giannelli is an American actor and horror star, best known as the first performer to bring the nightmare-inducing Art the Clown to life in short films "The 9th Circle 2008, Terrifier 2011 and All Hallow's Eve 2013". As a close friend of director Damien Leone, Giannelli was instrumental in the early development of the character that would eventually become a modern slasher phenomenon.