George McFly is a fictional character from the Back to the Future film series, portrayed by actor Crispin Glover. He is the father of the main character, Marty McFly, and is depicted as a shy and awkward teenager in the 1950s. George struggles with self-confidence and often finds himself bullied by classmates, particularly by Biff Tannen. In the story, George's character undergoes significant development. With the help of Marty, he learns to stand up for himself and ultimately becomes a successful author. His transformation is crucial to the plot, as it impacts the future of his family and the timeline of events in the films.