She was firstly raised by St.Olga, who made her to hide her monster and magic side. She was named "Heinous" and turned into the Principal of St. Olga's Reform School for Wayward Princesses, where she stole the youth of many princesses. She got defeated when Marco Diaz dressed as "Princess Turdina" made a rebelion inside the school. She eventually discovered her nature as Meteora, and unleashed her magic monster side to claim Mewni's throne. She got defeated and turned into a baby again.