Frank Welker was 73 in Scoob! when he played the character 'Scooby-Doo / Pterodactyl (voice)'.
That was over 4 years ago in 2020.
Today he is 78, and has starred in 386 movies in total, 8 of those since Scoob! was released.
In Scoob!, I think Frank Welker looks: