Hawkins High School cheerleader Chrissy Cunningham appeared only in the first episode of season 4
THE TOWN SUSPECTS EDDIE MUNSON OF KILLING CHRISSY CUNNINGHAM. HE WAS KILLED BY DEMOBATS.
Billy made his debut in season 2. HE eventually succumbs to the Mind Flayer's influence and attempts to kill Eleven.
When Bob assisted in resetting the breakers and restoring electricity at Hawkins Lab, the Demodogs ultimately destroyed him.
Back in season 1, Barb was one of the show's very first victims. SHE WAS a companion of Nancy
Eleven's first encounter after leaving Hawkins Laboratory was with Benny Hammond.
In Season 3, Alexei was a Russian scientist who knew how the Soviet portal IS linked to the Upside Down.
His investigation and vengeance ultimately resulted in his death as a portal to the Upside Down opened behind him and split him in two.
Nancy's friend Fred was a journalist who had endured trauma after being in a terrible vehicle accident.