I call this gal Scary Lou, though I don't know what her real name is. She is one of the background characters in the "Monster High" webisodes. I re-rooted her using saran hair purchased from dollyhair.com and completely repainted her face with acrylics.
EDIT TO ADD: Her name has been revealed as Scarah Screams. I'm still calling mine "Scary Lou" though, lol!