Statler and Waldorf are a pair of elderly Muppet characters known for their cantankerous opinions and shared penchant for heckling. They share the stage left balcony box in The Muppet Theatre, and the two delight in heckling every aspect of The Muppet Show. Waldorf is the one with the rounder face, white hair, and a moustache; while Statler has a longer face, bushy grey eyebrows, and a cleft chin. They first appeared as a pair in the 1975 pilot The Muppet Show: Sex and Violence, watching the sho