Robin Williams was 43 in To Wong Foo, Thanks for Everything! Julie Newmar when he played the character 'John Jacob Jingleheimer Schmidt (uncredited)'.
That was over 29 years ago in 1995.
In 2014 he died aged 63, starring in 158 films in his career, 98 of those after To Wong Foo, Thanks for Everything! Julie Newmar was first released. If he were alive today he would be 72.
In To Wong Foo, Thanks for Everything! Julie Newmar, I think Robin Williams looks: