Arthur McFly is a character in the Back to the Future: Video Game. He was the husband of Sylvia McFly and George Michael and the paternal grandfather of Marty McFly.
From 1955, Arthur and his family were living on Sycamore Street in Hill Valley. He was present in the house when George brought along Marty McFly, who, unknown to Arthur at the time, was his future grandson.
By 1985, Arthur had passed but survived by his son and three grandchildren.