Dante is an artistic and idealistic boy who desires to change the world. Openly emotional and outspoken, he initially befriends Ari, engaging him in discussions about poetry and literature. He struggles with his Mexican heritage and the rules imposed by society, driving some of the story's central themes.

Ari's family, who are marked by silence and unspoken trauma. His mother is a strict yet caring high school teacher, emphasizing education, while his father is reserved, carrying the scars of his time in the Vietnam War. Their avoidance of sensitive topics creates distance between Ari and his father, but they work toward improving their relationship over time.

Dante's open and loving family, who keep no secrets from one another. Mr. Quintana, also known as Sam, is an English professor, while Mrs. Quintana is a psychologist. They navigate parenting with a mix of leniency and seriousness, offering unconditional love and support to Dante, even amid conflicts.