 Green did an impression of the Buffalo Bill character from the thriller film "The Silence of the Lambs" during his audition.Green has stated that his main inspiration for Chris' voice came from envisioning how "Buffalo Bill" would sound if he were speaking through a PA system at a McDonald's.Green is a co-creator, co-producer, writer, director, and most frequent voice of the Emmy-winning stop-motion sketch comedy TV series "Robot Chicken", for which he does many voices and has appeared in animated form.