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
The Muppets format of being by the Muppets more than about them and had such features as celebrity interviews and comic stories. The popularity of the Muppets has been so pervasive that the characters have been viewed by the media as celebrities in their own right. The Muppets have received their own collective star on the Hollywood Walk of Fame, with Kermit having his own individual star as well. The characters have also presented at the Academy Awards and Emmy Awards; made cameo appearances in such feature films as "Rocky III", "An American Werewolf in London" and "Mr. Magorium's Wonder Emporium"; and