That was over 6 years ago in 2013.
Today he is 48, and has starred in 56 movies in total, 11 since Bad Grandpa was released.
In Bad Grandpa, I think Johnny Knoxville looks:
Bad Grandpa scores 6 out of 10 on The Movie Database.
Johnny Knoxville's first acting role was as 'Himself' in Boob - The Big Brother Video, released in 1999 when he was 28.
Find DVDs, posters and memorabilia about Bad Grandpa on Amazon.