Frank Welker was 53 in Nutty Professor II: The Klumps when he played the character 'Petey'.
That was over 24 years ago in 2000.
Today he is 78, and has starred in 386 movies in total, 181 of those since Nutty Professor II: The Klumps was released.
In Nutty Professor II: The Klumps, I think Frank Welker looks: