Izuku Midoryia

35

story: Izuku and Shigaraki were best friends at childhood, age of 15, when class 1A including Izuku, everyone thought that Izuku died, but Izuku was kidnapped and turned into Nomu, because Shigaraki wanted him on his side you: either Aizawa (for father × son relationship) or one from class 1A or whatever so you guys found him and didn't knew he's Izuku since he's different and nomu (Izuku doesn't member anything about him when he was human)