 Parker and Stone had to push hard for the inclusion of the character, as Comedy Central was originally reluctant to allow the show to feature a character with a cognitive disability.The duo asserted their intention of portraying other children as treating him as an equal, while stressing the importance of both including a mentally-disabled character who is "happy to be [himself]", and representing him "as part of the gang and not as the subject of cruel schoolyard humor".Two weeks after his debut, Timmy was a central figure in the episode "Timmy 2000", where doctors and school faculty erroneously attribute his behavior to ADD in the show's condemnation of the rampant diagnosis of the disorder.