Casta Cauldronello, also known as Casta Fierce, is a 2014-introduced and all-around character. She is a witch, specifically the daughter of Circe, and the lead singer of The Spells. Aside from Casta, The Spells consist of three girls who are uniquely immune to Casta's magic. Like her mother, Casta can turn anyone into any animal, but she has limited control over her powers. One misspoken word or unfortunately phrased sentence is enough to turn anyone hearing it into the matching animal. This…