Homicidal Liu was Jeff the killer's brother. He had done his best to protect Jeff, but it didn’t work after the bullies had shot Jeff. Jeff went insane and killed their parents. Liu was left alive, unaware he would wake up to find his parents dead. In other versions of the story, Liu fell in love with the nurse and grew homicidal tendencies after her death. And after she died he met a beautiful woman named Morgan. but then there's Liu's other personality named Sully who is very mean.