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Rock 'n' Roll Martian Image (Image)
Nov 28, 1972
Photo of the Yip Yips from sesamestreet.org.
The Martians, sometimes called "the Yip-Yips", are interplanetary visitors, presumed to be from the planet Mars, who are terrified by things like clocks, telephones and computers on Sesame Street. They rarely come face-to-face with other characters on the show. In "Radio" (episode 2283) the Martians discover a radio. They tune into three different styles of music, none of which they like. Then they tune into some static, which they start joyfully dancing to. -reprinted from http://muppet.wikia.com/wiki/The_Martians