Conversation so far:
What happened with Winchell-Mahoney Time?
Paul Winchell's most successful TV show was Winchell-Mahoney Time (1965–1968), a children's show written by his then wife, actress Nina Russel. Winchell played Knucklehead Smiff's father, Bonehead Smiff.

Question: Did he have any other dummies?
Self-contained rewrite: Did Paul Winchell have any other dummies besides Bonehead Smiff?