Izuku Midoriya or “Deku” is a shy but incredibly determined boy who is obsessed with All Might and heroics. Midoriya’s quirk is One for All. Katsuki Bakugo is a loud and hot tempered boy who also likes All Might and is incredibly determined to become a hero. Bakugos quirk is Explosion. All Might is a retired hero who used to be the symbol of peace and number one hero in the world. He used to have one for all before passing it onto Izuku.