Conversation so far:
What happened with Winchell-Mahoney Time?
Winchell's best-known ventriloquist dummies were Jerry Mahoney and Knucklehead Smiff.
Did he have any other dummies?
CANNOTANSWER.
What else happened?
Winchell's first show as a ventriloquist was on radio with Jerry Mahoney in 1943.

Question: What happened after that show?
Self-contained rewrite: What happened after Winchell's radio show in 1943?