Johnny Knoxville was 42 in Teenage Mutant Ninja Turtles when he played the character 'Leonardo (voice)'.
That was over 10 years ago in 2014.
Today he is 53, and has starred in 91 movies in total, 26 of those since Teenage Mutant Ninja Turtles was released.
In Teenage Mutant Ninja Turtles, I think Johnny Knoxville looks: