Jonah Hill was 23 in Walk Hard: The Dewey Cox Story when he played the character 'Older Nate'.
That was over 16 years ago in 2007.
Today he is 40, and has starred in 56 movies in total, 41 of those since Walk Hard: The Dewey Cox Story was released.
In Walk Hard: The Dewey Cox Story, I think Jonah Hill looks: