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
Walter (Muppet) are die-hard Muppet fans. "Walter is the kind of guy who faints when he sees Kermit," [James] Bobin says. Of course, Walter's Muppet fandom is complicated by the fact that he is a Muppet himself. "Walter has a bit of a self-confidence issue because he's the only person like him that he's seen aside from the Muppets," Segel explains. "His dream is to meet the Muppets and be around people who are like him." When Gary and Walter learn that the Muppet Theater is in danger of being torn down, they set out to save it by reuniting Kermit, Piggy