J.P. Manoux was 32 in Scooby-Doo when he played the character 'Scrappy Rex (voice)'.
That was over 22 years ago in 2002.
Today he is 55, and has starred in 32 movies in total, 23 of those since Scooby-Doo was released.
In Scooby-Doo, I think J.P. Manoux looks: