Conversation so far:
Were any famous people characters in the episode Trapped in the Closet (South Park)?
Tom Cruise refuses to come out, despite the protests of Randy, Nicole Kidman, the police, Travolta and R. Kelly to come out of the closet.

Question: What did John's character do?
Self-contained rewrite: What did the character impersonating John Travolta do in the episode Trapped in the Closet (South Park)?