David Howard Thornton had already figured out how to make the role his own, but he still had to audition, and the nuance he gave Art at that first audition is what ended up securing him the part. David Howard Thornton is an actor for the big screen, theater, and voiceover in YouTube and video formats. He has made his biggest impact playing the bloodthirsty killer Art the Clown in the Terrifier series of slasher-horror movies. 300K Followers, 7,751 Following, 732 Posts - David Howard Thornton (@davidhowardthornton) on Instagram: "You might know me as Art the Clown from the Terrifier films!" Introduction David Howard Thornton is an actor well-known in the industry for his in-depth character immersion and portrayal but he is equally remembered for his ability to act as a clown. He depicts Art the Clown in the cinematic series ‘Terrifier’ and has more acting experience on the stage, film and as a voice actor.