Norm Macdonald was 39 in Man on the Moon when he played the character 'Michael Richards'.
That was over 24 years ago in 1999.
In 2021 he died aged 61, starring in 43 films in his career, 36 of those after Man on the Moon was first released. If he were alive today he would be 64.
In Man on the Moon, I think Norm Macdonald looks: