I think more Larry David-ish than some bloated guy.

When are you travelling this way, Roy? Me, you and McGee should meet up in the park one Sunday afternoon.

I picture him growing a beard and long hair. Not being fat. Or maybe looking like the back of the man ont the VIP page. Tall, short brown hair and only 20 years older.
Also Kaufman was a health nut took his vitamins ate good (Except Ice-Cream). I think he would look very well for his age.