George Carlin was 63 in Jay and Silent Bob Strike Back when he played the character 'Hitchhiker'.
That was over 23 years ago in 2001.
In 2008 he died aged 71, starring in 78 films in his career, 41 of those after Jay and Silent Bob Strike Back was first released. If he were alive today he would be 87.
In Jay and Silent Bob Strike Back, I think George Carlin looks: