Yzma

Yzma is the main antagonist of the Emperor's New Groove series. She is Emperor Kuzco's adviser until she was fired from the job and now plots to take the thrown from him. Her henchman is Kronk She is voiced by Eartha Kitt.

The Emperor's New Groove
Yzma was Kuzco's extremely old advisor, but when he was gone she ran the throne for him. Kuzco grew tired of her doing his job for him and fired her from the job. Yzma was infuriated by how ungrateful he was that she had practically raised him and spent the time smashing statues of Kuzco.