The Muppets: A Celebration of 30 Years A clip is shown. Dr. Teeth introduces a sequence featuring still images of various Muppet book covers, record covers, and magazine covers featuring appearances by the Muppets. Fozzie mentions that the Muppets are seen on television in 150 countries. Before Fozzie can continue, Sweetums and other Muppet monsters interrupt, complaining that their favorite clips were never shown. A montage featuring Muppet monsters, monsters eating other Muppets, and explosions is shown, with "Millions of Us Who are Ugly" and the "1812 Overture" playing over the clips. After the montage, Crazy Harry pops up for one more explosion. Count von Count then
The Muppets character; the performer who controls the mouth usually provides the voice for the character. As technology has evolved, the Jim Henson team and other puppeteers have developed several means to operate the Muppets for film and television; these include the use of suspended rigs, internal motors, remote manipulators, and computer enhanced and superimposed images. Creative use of different technologies has allowed for scenes in which the Muppets appear to perform such complex movements as riding bicycles, rowing boats, and dancing wholly independently of the performer. According to writer Michael Davis, the characters tend to develop "organically", alluding to the performers