T. J. Miller was 32 in How to Train Your Dragon 2 when he played the character 'Tuffnut (voice)'.
That was over 10 years ago in 2014.
Today he is 42, and has starred in 48 movies in total, 21 of those since How to Train Your Dragon 2 was released.
In How to Train Your Dragon 2, I think T. J. Miller looks: