Izuku Midorya

Initially born without a "quirk" to call his own, Izuku nevertheless grew up with aspirations to become a superhero in his own right. In this universe, quirks are what we would generally refer to as superpowers or superhuman abilities. Mockingly nicknamed "Deku" by childhood classmate and former bully Katsuki Bakugo, Izuku would later save him from a villain, in turn winning over the interest of All Might, Izuku's childhood idol and #1 hero, who in turn passes down his sacred One For All quirk to him. After being accepted into U.A. High School, Izuku's classmate Ochaco Uraraka inspires him to embrace his nickname and he uses it as his hero name.