Edessa Skandenberg

Mirabile Visu was a Headmistress of Hogwarts School of Witchcraft and Wizardry sometime before Armando Dippet. Her portrait hung in the Headmaster's office so that she could advise the current Head.

Etymology
Mirabile visu is a Latin expression meaning "wonderful to behold."

Appearances

 * Harry Potter and the Chamber of Secrets (film)
 * Harry Potter and the Prisoner of Azkaban (film)