Ponyboy’s best friend in the greaser gang, described as quiet and vulnerable. Despite being 16, he is seen as the gang's pet due to his shy nature and troubled home life, marked by abusive parents. Johnny is introspective and shares a close bond with Ponyboy, often acting as a catalyst for major events in the story.

Ponyboy’s 16-year-old middle brother, described as movie-star handsome and charismatic. He dropped out of high school to support the family, working at a gas station. Sodapop is lively and acts as a peacemaker between Ponyboy and their eldest brother Darry. His perpetual happiness conceals personal troubles that are revealed later in the story.

The 20-year-old eldest Curtis brother and guardian of Ponyboy and Sodapop. He is a tall, fit, and natural leader who works hard to support his brothers. Darry is strict and serious, a result of his immense responsibility after their parents' death. Though often at odds with Ponyboy, his actions are motivated by love and a desire for his brother to have a better future.

The toughest member of the greaser gang, known for his hardened demeanor and frequent legal troubles. Dally has a disregard for authority and rules, and is admired by Johnny for his ability to survive in a rough world. Despite his tough exterior, Dally’s emotional depth and connection to Johnny play a pivotal role in the narrative.

A Soc cheerleader from Ponyboy’s school who befriends him at a drive-in. Cherry illustrates the possibility of friendship across social classes and offers Ponyboy insight into the Socs' perspective. Her complex nature is marked by courage and inner conflict regarding her loyalty to different social groups.