Christopher Mintz-Plasse was 16 in Superbad when he played the character 'Fogell / McLovin'.
That was over 16 years ago in 2007.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 33, and has starred in 34 movies in total, 33 of those since Superbad was released.
In Superbad, I think Christopher Mintz-Plasse looks: