By the end of its five-year run on television, The Muppet Show had transformed its motley cast from fistfuls of felt to multi-media celebrities. Sophisticated and highly individuated, each of the Muppets embodied a conventional character type from classic television comedy. Kermit functioned as straight man to the majority of the show's jokes. Miss Piggy, the resident diva, evolved from first season chorus girl to full-fledged megastar...