Sean Gunn was 41 in Guardians of the Galaxy Vol. 2 when he played the character 'Kraglin / On-Set Rocket / On-Set Adolescent Groot'.
That was over 7 years ago in 2017.
Today he is 49, and has starred in 29 movies in total, 10 of those since Guardians of the Galaxy Vol. 2 was released.
In Guardians of the Galaxy Vol. 2, I think Sean Gunn looks: