Eddie Munson

He was the leader of the Hellfire Club, the official Dungeons & Dragons club of Hawkins High School. Cowardly (formerly), brave, snarky, energetic, funny, selfless, immature, protective, kindhearted, friendly, book-dumb, lovable, nonchalant, cool After witnessing the brutal murder of Chrissy Cunningham at the hands of an unknown force, Eddie went on the run as many citizens of Hawkins believed he was responsible. He would become an ally of the Party due to their knowledge of the Upside Down, and assisted them in stopping Vecna from opening the gates. Eddie was born in 1965 in Hawkins, Indiana. Though his parents and their statuses have yet to be revealed, his guardian is his paternal uncle, Wayne Munson, and they both stayed in the town's Forest Hills Trailer Park. During the 1970s, Eddie attended Hawkins Middle School alongside Chrissy Cunningham. Hawkins Middle School hosted a talent show, where both Eddie and Chrissy participated in. Eddie was impressed by Chrissy's cheerleading while Chrissy was impressed by Eddie's rock band, Corroded Coffin.

Eventually, the two drifted apart one they began attending Hawkins High School, though Eddie never held animosity towards her. While attending Hawkins High, Eddie led the school's Dungeons & Dragons club, the Hellfire Club, which was despised by the school's alumni due to the rising belief that D&D was connected to the worship of Satan. Eddie flourished with these rumors and taunted the popular kids, causing him to become rivals with Jason Carver, Chrissy's boyfriend and a member of the Hawkins High basketball team. Eddie was originally going to graduate in 1984, and again in 1985, but his rebellious streak and poor grades led him to being held back, leading him to despise the school's principal In 1986, Dustin Henderson and Mike Wheeler sat down in the cafeteria, where Eddie and his D&D group, then Hellfire Club, were at Eddie saw great potential in the two boys and invited them to be members of his club, which they accepted. Throughout interaction, he is very standoffish and show a strong disliking for the jocks of Hawkins High and believes he is labeled under the "freaks" area of cliques and points out that even "geeks" are worse than him, and blames the world for his lack of respect for it, saying everyone is plagued by conformity.

On March 21, while Eddie sat in the cafeteria table reading a magazine that demonized D&D out loud, he was approached by Dustin and Mike on moving the end of his campaign since Lucas would be unable to attend due to his basketball game. However Eddie told the boys they were the future of Hellfire since all other members would be leaving next year, which included himself who was trying to finally graduate. Eddie then told the boys to get a replacement.