Tatsumaki (タツマキ, Tatsumaki; Viz: Tornado), also known by her hero alias Tornado of Terror (戦せん慄りつのタツマキ, Senritsu no Tatsumaki; Viz: Terrible Tornado), is the S-Class Rank 2 professional hero of the Hero Association. She is recognized as one of the Hero Association's most powerful heroes.  She is an esper and the older sister and self-declared teacher of Fubuki. She and her sister are known as the Psychic Sisters (エスパー姉妹, Esupā Shimai).