Johnny Knoxville was 41 in Jackass Presents: Bad Grandpa when he played the character 'Irving Zisman'.
That was over 11 years ago in 2013.
Today he is 53, and has starred in 91 movies in total, 28 of those since Jackass Presents: Bad Grandpa was released.
In Jackass Presents: Bad Grandpa, I think Johnny Knoxville looks: