In a song in 2004, and later in an interview in 2017, Cookie Monster revealed his real name as 'Sid'. Cookie Monster singing his signature songġ966 58 years ago ( 1966): unaired Wheels, Crowns and Flutes commercials (as the Wheels-stealer)Ĭookie Monster is a blue Muppet character on the PBS/ HBO children's television show Sesame Street.
