Zach Galifianakis was 44 in Birdman or (The Unexpected Virtue of Ignorance) when he played the character 'Jake'.
That was over 10 years ago in 2014.
Today he is 54, and has starred in 67 movies in total, 17 of those since Birdman or (The Unexpected Virtue of Ignorance) was released.
In Birdman or (The Unexpected Virtue of Ignorance), I think Zach Galifianakis looks: