Chevy Chase was 70 in Hot Tub Time Machine 2 when he played the character 'Hot Tub Repairman'.
That was over 9 years ago in 2015.
Today he is 80, and has starred in 99 movies in total, 10 of those since Hot Tub Time Machine 2 was released.
In Hot Tub Time Machine 2, I think Chevy Chase looks: