John Candy was 29 in Heavy Metal when he played the character 'Desk Sergeant / Dan / Den / Robot (voice)'.
That was over 43 years ago in 1981.
In 1994 he died aged just 43, starring in 63 films in his career, 50 of those after Heavy Metal was first released. If he were alive today he would be 73.
In Heavy Metal, I think John Candy looks: