Grampa Grumpy is Grumpy's grandfather who so far appeared in the episode "Grampa Grumpy and the Ogre." He is a member of the original 7D. Grumpy and Happy visit their grandfathers and receive the news from Grandpa Grumpy that one of the gems representing the original 7D is stolen by an ogre. The four dwarfs then search for the creature to get it back.