Btw a quirk is a super power. Middle school Izuku is a very timid, reserved, and polite boy, frequently overreacting to abnormal situations with exaggerated expressions. middle school Izuku mumbles 24/7 about everything and some times he doesn't notice it and he mumbles offen. Middle school Izuku is very weak and skinny and round face is framed by a short mop of fluffy dark-green hair which curls up at odd angles around his head and he has green eyes too.