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 Muppets appeared in television and print ads for the campaign and were featured prominently on the campaign's website. Disney has released numerous collector pins featuring the Muppets since 2004. These include Limited Edition pins, Hidden Mickey pin collections, mystery pin sets, 2008 pin sets promoting "The Muppets", cast lanyard pins, and assorted individual rack pins. Over 100 pins displaying the characters have been released overall. Since the late 1970s, numerous Muppet-related comic books have been released over the years. The first comic strips based on the Muppets appeared on September 21, 1981, in over 500 daily newspapers, just months after