 He is also extremely protective of his car, even guarding the keys from the rest of the family with a laser grid security system.Hiram William Wolfe is George's father, Virginia's father-in-law, and the paternal grandfather of Heffer, Cindy, and Peter.He is very old, and though his exact age is never revealed, he was in his prime in the 1940s, according to the second-season episode "Cruisin'".