Blind since birth, Toph was constantly treated condescendingly because of her visual impairment, particularly by her overprotective parents, Lao and Poppy Beifong. Upon discovering badgermoles , earthbending animals who are also blind, she learned how to use earthbending as an extension of her senses. This gave her the ability to " see " every vibration that passes through the ground. Having developed her own unique style of earthbending, Toph acquired a toughened personality and became famous for winning underground earthbending tournaments under the name "The Blind Bandit", doing so behind her parents' backs. Lin , who succeeded her as Chief of Police, and Suyin , who created the metal city of Zaofu.