Rachel Nave (demon)

Rachel Nave was Sam's prom date.

Overview
Rachel was Sam's prom date. It was mentioned that Dean had slept with her on prom night.

After taking possession of Sam's body, Lucifer reveals that Rachel was among a handful of people from Sam's life possessed by demons, who were ordered by Azazel to watch over him. Lucifer gave Sam the chance to get his revenge by killing Rachel and the others.

Appearances
Season 2 Season 5
 * What Is And What Should Never Be (mentioned only)
 * Swan Song

Trivia

 * The demon Rachel was named after Supernatural writer Rachel Nave.
 * She is the only known demon Dean has slept with. He was likely unaware she was possessed at the time.