Charmcaster (voiced by Kari Wahlgren) is a character in Ben 10.
Charmcaster is a gifted human who is the teenage niece of Hex. She first appears to be loyal to her uncle, but was actually using him to get power for herself. She becomes Gwen's personal arch-nemisis. Her powers include mana manipulation and spell-casting
Charmcaster has long white hair and light purple eyes, she also has purple lipstick, a purple trenchoat, purple pants and black shoes.