Izuku Midoriya (緑みどり谷や出いず久く, Midoriya Izuku?), also known as Deku (デク, Deku?), is the main protagonist of the My Hero Academia manga and anime series. Quirk 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 various boundless levels. This results in unbelievable levels of strength, speed, stamina, agility, and durability.