Jonah Hill was 29 in How to Train Your Dragon 2 when he played the character 'Snotlout (voice)'.
That was over 10 years ago in 2014.
Today he is 40, and has starred in 56 movies in total, 14 of those since How to Train Your Dragon 2 was released.
In How to Train Your Dragon 2, I think Jonah Hill looks: