One For All (ワン・フォー・オール Wan Fō Ōru?): Transferred to him from Toshinori Yagi, Izuku's Quirk allows him to stockpile an enormous amount of raw power, allowing him to significantly enhance all of his physical abilities to a superhuman level. This results in unbelievable levels of strength, speed, stamina, agility, and durability. Izuku Midoriya (緑みどり谷や出いず久く Midoriya Izuku?), also known as Deku (デク Deku?).