Greg's Grandpa

Grandpa Heffley is the lovable Grandfather of Greg, Rodrick and Manny, and according to him, Greg is his favourite Grandson. He lives in a retirement home, and he sets his TV only on the CCTV channel. He makes a dish called watercress salad, in which Greg thinks is disgusting. He loves to play a game called Gutbusters as well, which Greg wins all the time, because most of the jokes do not make any sense at all. He was seen again in Book 4, where the finally confessed to Frank on Brunch that he ran over his dog, Nutty, enraging Frank.