Stepmother of Snow White.
Crystal represents the true nature immediately when her husband went to the battlefield. She trying to kill Snow White with jealousy by her beauty.
In fact, Devil take possession of Crystal's body when she was girl. and Devil wants Snow White’s body now.

Snow White was a very happy princess, until the day her stepmother, the Queen Christelle, finally reveals her personality and wants to kill the girl. Snow White flees from the castle and got lost in the woods, where she meets seven dwarfs.