Nellie Olsen was a spoiled brat, and Laura's nemesis, but she also scared the crap out of one of the editors. "Little House on the Prairie" was one of her favorite shows but whenever she appeared I got so nervous, I would stop watching the episode. When she thinks back, her memories of those "Little House" episodes have warped into a Hitchcock nightmare. After Nellie got older, she fell in love and got married and supposedly "changed her ways", but I never believed it. To her, she was pure evil.