That was over 6 years ago in 2016.
Today he is 66, and has starred in 104 movies in total, 11 since Kung Fu Panda 3 was released.
In Kung Fu Panda 3, I think J.K. Simmons looks:
Kung Fu Panda 3 scores 6.6 out of 10 on The Movie Database.
J.K. Simmons' first acting role was as 'Patrolman in Park' in Popeye Doyle, released in 1986 when he was 31.