The Muppets industry and popular culture in the United States, receiving recognition from various cultural institutions and organizations, including the American Film Institute, Academy of Motion Pictures Arts and Sciences, Library of Congress, and the Hollywood Walk of Fame. The Muppets were created by puppeteer Jim Henson in the 1950s, beginning with Kermit the Frog, who would become Henson's most recognizable character. Originally conceived for an adult audience, Henson claimed, and later retracted, that he coined the term "Muppet" as a portmanteau of the words "marionette" and "puppet". In 1955, the Muppets were introduced in "Sam and Friends", a short-form television series
The Muppets conception. At the start of the Muppets' formation, Jim and Jane Henson were the group's only performers. In 1961, Jane retired to focus on raising their children. Seeking additional performers, Jim came into contact with Frank Oz that year. Although interested, Oz initially declined due to his youth and commitment to high school, and instead suggested Jerry Juhl, who worked alongside Oz at the Vagabond Puppet Theater in Oakland, California. Upon graduating, Oz subsequently joined in August 1963. By the time "The Muppet Show" began, the primary cast of performers grew to consist of Henson; Oz; Dave Goelz; Jerry Nelson;