Pop-Pop

George "Pop-Pop" Waldberg is the grandfather at the Forman Household. He is Liz's dad. He is known as the "crazy old man" and always does things to please himself. He is very self-centered and always abuses other people. He also is pretencious and always tries to persuade things to his favor. It is shown in the episode Ice Pop-Pop that Bob and Liz actually like to see him suffer and learn his lesson.