in the Garth Brooks episode where the Head of the Network threatened to replace Clifford with Bill if Brooks did not sing one of his country songs. Bobo the Bear (performed by Bill Barretta) – A bear who works as a security guard Captain Pighead (performed by Steve Whitmire) – A pig who serves as the captain of the new Swinetrek in the "Pigs in Space: Deep Dish Nine" segments. Craniac (performed by Kevin Clash) – An alien with a brain for a head; a crew member on the Swinetrek in the "Pigs in Space: Deep Dish Nine" segments. Cue Card Monster (performed by Bill Barretta) – A small green monster with long arms who works as the cue card holder. Darci (performed by Leslie Carrara-Rudolph) – She was featured in "The Real World Muppets" segments David Hoggselhoff (a parody of David Hasselhoff; performed by Bill Barretta) – A pig who is the star of "Bay of Pigswatch" Dr. Pain (performed by Dave Goelz) – A doctor who appears on "E-I-E-I-O R" Dr. Phil van Neuter (performed by Brian Henson, assisted by Bill Barretta, operating the hands) – A mad scientist who hosts "Tales from the Vet"; in one sketch, it is revealed that he is married to Mulch's sister Composta Heap Ernst Stavros Grouper (a parody of Ernst Stavro Blofeld; performed by Bill Barretta) – An eyepatch-wearing grouper who is the chairman and CEO of The Grouper Group which bought out Carni-Vore Industries (the company that owns KMUP) in the episode that guest stars Don Rickles and Coolio. Floor Manager (performed by Leslie Carrara-Rudolph) – The unnamed floor manager of K-MUP Gary Cahuenga (performed by Dave Goelz) – A ventriloquist's dummy with a mind of his own Head of the Network (performed by Jerry Nelson) – Clifford's unnamed boss at K-MUP who first appears in the "Garth Brooks" episode wanting Clifford to get Garth Brooks to perform a country song or he will give Clifford's time slot to Bill the Bubble Guy; makes background appearances in the control room in later episodes Howard Tubman (performed by Bill Barretta) – A rich food-loving pig who is featured in "The Tubmans of Porksmith" Carter (performed by Kevin Clash) – Howard Tubman's elderly doddering butler Johnny Fiama (performed by Bill Barretta) – A Rat Pack-style singer (designed by Ed Eyth and built by Jane Gootnick) Jowls (performed by Jerry Nelson) – A