Build a movie plot around this: What does Walter perform for the audience? A whistling act
A:
Walter, a puppet, lives with his brother Gary (Jason Segel), a human, in Smalltown. The two became Muppet fans when they watched The Muppet Show in their youths. As adults, Walter and Gary continue to live together in their home town of Smalltown. Gary plans a vacation to Los Angeles with his girlfriend Mary (Amy Adams) to celebrate their tenth anniversary, and he invites Walter along so he can see the Muppet Theater. Gary is pleased to spend time with both Mary and Walter ("Life's a Happy Song"), though Mary feels that Gary's devotion to Walter detracts from their relationship.In Los Angeles, the three visit the Muppet Theater to find it in ruins. During the tour around the facility, Walter sneaks into Kermit the Frog's office and discovers Statler and Waldorf selling the theatre to Tex Richman (Chris Cooper), an oil magnate, and his associates Bobo the Bear and Uncle Deadly. Waldorf explains that the Muppets can raise 10 million dollars to re-buy the theater in a certain amount of days. Once Statler and Waldorf leave, Walter learns of Tex's true intentions: to tear down the Muppet Studios and drill underneath for oil.Walter explains the situation to Gary and Mary, and the three track down Kermit at his mansion. Kermit is distressed to learn the news, and realizes the only way to earn the ten million dollars would be to put on a show, which the Muppets have not done in years ("Pictures In My Head"). Walter convinces him to try anyway, and they set off to reunite the group. Fozzie Bear is performing with a group of uncouth Muppet impersonators, the Moopets, in Reno, Nevada, and Kermit persuades him to leave the group. Gonzo has become a powerful plumbing magnate. He at first refuses, but secretly longs to return to his daredevil days; he then blows up his business and joins them. Animal is in a celebrity anger-management clinic; he rejoins them, but his sponsor, Jack Black, warns him to avoid drums. During a montage, the rest of the Muppets are found and picked up. They then travel to Paris to find Miss...