Listen to the sound clip Maniacal laugh. from The Muppets: Maniacal laugh. Maniacal laugh. This sound is from The Muppets The Muppets is a beloved American television show and film franchise that has brought joy and laughter to audiences for decades. Created in 1955 by puppeteer Jim Henson, the Muppets quickly gained popularity for their unique bran… Go to the full soundboardwith more sound clips Search