George Carlin was 53 in Bill & Ted's Bogus Journey when he played the character 'Rufus'.
That was over 33 years ago in 1991.
In 2008 he died aged 71, starring in 78 films in his career, 60 of those after Bill & Ted's Bogus Journey was first released. If he were alive today he would be 87.
In Bill & Ted's Bogus Journey, I think George Carlin looks: