SIAHST_160318_042
Existing comment: Elmo
1979

Elmo first appeared on Sesame Street in 1979, but his character, as a cheerful three-and-a-half-year-old with a positive attitude, didn't come together until 1984. Since then Elmo has become one of the most popular Sesame Street Muppets, appearing in television specials and videos and inspiring several toys -- notably, from 1996, "Tickle Me Elmo."
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