Miss Piggy wound up on top of the "New York Times" Bestseller List. Miss Piggy's personality and voice were seen and heard in other female characters performed by Frank Oz before the character's debut. For instance, a "Sesame Street" Muppet skit from 1971 featured Snow White performed by Frank Oz and acting (as well as sounding) like Miss Piggy. Another sound-alike came from a contestant in a Guy Smiley sketch called "The Mystery Mix-Up Game". In "The Muppet Show" episode 106, Piggy is referred to by the full name "Piggy Lee," and in episode 116, Piggy tells guest star Avery Schreiber that
The Muppets the Muppets film and television library. Exceptions included the "Sesame Street" characters, which were previously sold to Sesame Workshop; the "Fraggle Rock" characters, which were retained by Henson; and the distribution rights to "The Muppets Take Manhattan", "Muppets from Space", and "Kermit's Swamp Years," which were retained by Sony Pictures Entertainment. Following the acquisition, Disney formed The Muppets Holding Company (later known as The Muppets Studio), a wholly owned subsidiary responsible for managing the characters and franchise. As a result, the term "Muppet" became a legal trademark of Disney; under license from Disney, Sesame Workshop continues to use the term