August is the main character of the story. He lives with his sister Via, mother Isabel, and father Nate. His best friends are Summer and Jack Will, and his dog is Bear. August enjoys science but initially disliked school, though he has grown to like it more over time. He is described as the central figure that others revolve around. August is a dynamic character who undergoes changes, such as warming to the idea of school, and is a round character with a fully developed personality.