George McFly is the tritagonist of Back to the Future and apoeared in the sequels through archive footage. He is Marty's father and Lorraine's husband.
In the original timeline George was bullied was by Biff Tannen both in 1955 and 1985. However, due to the interferences of his future son, in the new timeline George McFly became a successful author specialize in sci-fi and fantasy.