Nezu (?), also known as Mr. Principal is a Hero and the principal of U.A. High. He is the extremely rare case of an animal who manifested a Quirk.
High Spec (ハイスペック Hai Supekku?): Nezu's Quirk grants him a superior intelligence that surpasses humans. Despite being an animal, Nezu's Quirk enabled him to live in the society like a normal person.