Frank Welker was 72 in Scooby-Doo! Return to Zombie Island when he played the character 'Scooby Doo / Fred Jones (voice)'.
That was over 5 years ago in 2019.
Today he is 78, and has starred in 386 movies in total, 9 of those since Scooby-Doo! Return to Zombie Island was released.
In Scooby-Doo! Return to Zombie Island, I think Frank Welker looks: