Summer is a major, static but round character in the story. She is an only child who lives with her mother after her father died serving in the military. She is artistic, loves Halloween, and is a good friend to Auggie by not getting involved in drama. As a major character, her point of view is presented, and she helps Auggie make friends, but she does not change significantly over the course of the story, remaining kind. Her personality is revealed through her actions and what others say about her.