Aizawa Shota, or pro hero Eraserhead when out in the field, is a tired, gruff, and grumpy man who teaches at the most famous hero school UA. His quirk allows him to stop the quirks of other people from using their quirks as long as he looks at them, the effect ending when he blinks. He uses martial arts and a special scarf specifically made to capture villians in combat. He is gruff, grumpy, and tired. He has black hair and eyes that turn gold when he is using his quirk.