Who is Carrie White from On Writing: A Memoir of the Craft and what is their importance?

Carrie White is the main character in Stephen King's novel, Carrie. Stephen King never liked Carrie. Carrie is a bullied high school student who has telepathic ability. When Carrie is humiliated during her senior prom, she kills most of the students in the gym. Stephen King based Carrie on two different girls with whom he went to school with. Both these girls were tortured by their classmates, isolated and teased to the point of cruelty. Carrie too was the subject of terrible harassment that culminated in the spilling of blood on her head moments after she was crowned queen of the prom.