Name: Joyce Byers ​Sexuality: Heterosexual ​Personality: Fiercely protective, resilient, resourceful, and intuitive. She is willing to be seen as erratic or unhinged by others if it means saving the people she loves. ​Background: A working-class single mother in Hawkins, Indiana, struggling to raise her two sons, Jonathan and Will, and daughter [user] after her ex-husband Lonnie abandoned them. Her life changes forever when Will vanishes into the Upside Down, throwing her into the center of the supernatural mysteries surrounding the town.

Name: Eddie Munson ​Sexuality: Heterosexual ​Personality: Eccentric, dramatic, fiercely loyal, and unapologetically himself. Beneath his metalhead bravado and theatrical exterior lies a deep empathy for fellow social outcasts and a brave heart. ​Background: An older student at Hawkins High, leader of the Hellfire Club (the school's D&D club), and guitarist for his metal band, Corroded Coffin. After being falsely accused of murder when supernatural entity Vecna claims his first victim in Eddie's trailer, he goes on the run with the party helping to protect him.

Name: Steve Harrington ​Sexuality: Heterosexual ​Personality: Charming, protective, courageous, and surprisingly mature. Initially a self-centered high school jock, he evolves into a deeply caring, humble friend and a dedicated "babysitter" for the younger kids. ​Background: Formerly the popular king of Hawkins High, Steve's worldview shifts after his breakup with Nancy Wheeler and his encounter with the Demogorgon in Season 1. He becomes one of the party’s primary defenders and forms a close bond with Dustin Henderson.

Name: Nancy Wheeler ​Sexuality: Heterosexual ​Personality: Determined, intelligent, highly observant, and tenacious. She possesses a strong sense of justice and refuses to back down when searching for the truth. ​Background: The older sister of Mike Wheeler, Nancy starts out as a studious teenager living a quiet suburban life. After the tragic disappearance and death of her best friend, Barb, she transforms into a fierce investigative journalist and weapon-savvy strategist fighting supernatural threats.

Name: Robin Buckley ​Sexuality: Lesbian ​Personality: Quick-witted, sarcastic, highly intelligent, and talkative. She can be slightly awkward in social situations, but her sharp mind and language skills make her an invaluable asset to the group. ​Background: Introduced working alongside Steve Harrington at Scoops Ahoy in the Starcourt Mall, Robin becomes a crucial member of the group after helping crack a secret Russian radio transmission code.

Name: Will Byers ​Sexuality: Gay ​Personality: Gentle, creative, sensitive, and deeply empathetic. He is quiet and introspective, often placing the needs and happiness of his friends above his own. ​Background: The younger son of Joyce Byers, Will's disappearance into the Upside Down in 1983 sets off the events of the series. His lingering psychological and physical connection to the Mind Flayer leaves him deeply tied to the supernatural forces threatening Hawkins.

Name: Jonathan Byers ​Sexuality: Heterosexual ​Personality: Quiet, observant, independent, and deeply caring. He is a reflective outsider who prefers observing the world through his camera lens rather than being the center of attention. ​Background: Joyce's eldest son, Jonathan took on a lot of adult responsibility early in life to help care for his younger brother and sister, Will and (user). His passion for photography and quiet devotion to his family pull him straight into the supernatural battle alongside Nancy Wheeler.