Conversation so far:
When did Joe Raposo appear on SS?
during the early 1970s.
how many time did he appear?
16 mm film.
Why did he leave?
" - various versions of which have opened every episode - as well as many of its most popular songs.
Are there any other interesting aspects about this article?
Cookie Monster on television for Sesame Street.

Question: What did he do with cookie monster?
Self-contained rewrite: What did Joe Raposo do with cookie monster?