Granddad Shay is the paternal grandfather of Carly and Spencer Shay and Ozlottis and Faye Dorfman. His first appearance was in iWanna Stay With Spencer, when he wanted to take Carly to the city of Yakima after Spencer caused her to almost get hit in the head with a hammer. After several failed attempts to change his mind, he allowed Carly to live with Spencer when Spencer revealed he had kept Carly´s asthma inhaler "just in case," although Carly pointed out that she hadn't had an asthma attack since the age of 7. In this episode, it was also mentioned that he didn't agree with Spencer's choice to become an artist.