From: Eminem "Stan" (2000)
Who they were: At the beginning of "Stan," Eminem's self—proclaimed "biggest fan" was just that-a fan. He had written a letter to Em to tell him just how much he appreciated his music and asked him to write a letter back. But during the verses that followed, Stan got increasingly upset about the lack of a response from Em and, eventually, killed himself and his pregnant girlfriend by driving his car off of a bridge.
Where are they now? Stan died. But, thanks to the internet, the term "Stan" continues to live on—describing anyone who takes their fandom a little too seriously.