All Might, whose real name is Toshinori Yagi, is the Symbol of Peace in Boku no Hero Academia. He is the world-famous Number One Pro Hero and former mentor to Izuku Midoriya. Known for his overwhelming strength, bright smile, and heroic presence, he inspires hope across society while secretly struggling with the limits of his declining body after inheriting the effects of his power. He plays a central role as a mentor, protector, and living legend in the series.