Conversation so far:
What was the  penguin's name that Don Adams did the voice over for?
CANNOTANSWER.
What were the names of some of the characters that he provided the voice over for?
was the voice of Inspector Gadget in the initial run of that television series (1983-86.

Question: What was the last voice over that he did?
Self-contained rewrite: What was the last voice over that Don Adams did?