Yzma

Yzma is the villainess of The Emperor's New Groove. Originally the advisor to Emperor Kuzco, she constantly plots to steal the throne from Kuzco and rule the Empire herself. She is skilled in mixing potions, which she concocts and keeps in her Secret Lab (which everyone knows about, contrary to its name). She seems to specialise in transformation potions. With her emaciated body, bald head and sallow skin, Yzma is not in the prime of her life, and may be using her potions to live well beyond her years. Her attempts to rule the Empire are invariably foiled, sometimes by her own mistakes, but more frequently by the mistakes and conflicting emotions of her dim but kind-hearted henchman, Kronk. She seems eternally frustrated that nothing in the world around her makes sense or, more importantly, goes her way. Yzma is considered, alongside Captain Hook and Prince John, to be one of Disney's funniest villains.