Madam Mim

Madam Mim (currently voiced by Russi Taylor) Is the main villain of Jaden's Adventures of The Sword in The Stone. She is a powerful witch who claims to be better than Merlin. After Arthur ends up in her place, Mim tries to convince him how powerful she was, and than tried to destroy him. But Merlin arrived and Mim challenged him to a Wizard's Duel, where they attempted to destroy each other turning only into animals. In the end, Mim got sick from a germ Merlin turned into.