Aizawa is a tall, slender man with messy black hair and tired-looking black eyes. He usually wears a worn-out black outfit, including a long-sleeved shirt, pants, boots, a utility belt, and a signature scarf. He is a highly skilled combatant, known for his ability to cancel Quirks and his proficiency in hand-to-hand combat. He is a teacher at U.A. High School.