My Hero Academia Codexery

All Might

The world's greatest hero who scouted Izuku Midoriya.

All Might is the world's greatest hero, known as the Symbol of Peace. He scouted Izuku Midoriya after recognizing his potential and bestowed his Quirk, One For All, to him. All Might helped enroll Midoriya in a prestigious high school for superheroes in training.

Real Name
Toshinori Yagi
Role
Former Symbol of Peace / U.A. High School Teacher
Affiliation
U.A. High School (Formerly)
Quirk
One For All
Status
Retired (Alive)
First Major Appearance
My Hero Academia: Chapter 1

Lore & Background

All Might is the world's greatest hero. He scouted Izuku Midoriya, a boy born without a Quirk, after recognizing his potential. All Might bestowed his Quirk, One For All, to Midoriya and helped enroll him in a prestigious high school for superheroes in training. All Might is Japan's No. 1 Hero. He was injured by the villain All For One. He chose Deku to inherit his Quirk One For All, which grants the ability to stockpile raw power and pass it on to others. After nearly a year of physical training, Deku became the ninth holder of One For All. All Might led several Pro Heroes in locating the League of Villains' hideout, where All For One revealed himself and helped the villains escape before battling All Might. All Might defeated All For One and imprisoned him, but exhausted the last of his embers of One For All and retired.

In Their Own Story

All Might is the world's greatest hero. He scouted Izuku Midoriya after recognizing his potential and bestowed his Quirk, One For All, to him. All Might helped enroll Midoriya in a prestigious high school for superheroes in training. All Might is Japan's No. 1 Hero. He was injured by the villain All For One. He chose Deku to inherit his Quirk One For All, which grants the ability to stockpile raw power and pass it on to others. After nearly a year of physical training, Deku became the ninth holder of One For All. All Might led several Pro Heroes in locating the League of Villains' hideout, where All For One revealed himself and helped the villains escape before battling All Might. All Might defeated All For One and imprisoned him, but exhausted the last of his embers of One For All and retired.

Reader's Guide

All Might is the world's greatest hero. He scouted Izuku Midoriya after recognizing his potential and bestowed his Quirk, One For All, to him. All Might helped enroll Midoriya in a prestigious high school for superheroes in training. All Might is Japan's No. 1 Hero. He was injured by the villain All For One. He chose Deku to inherit his Quirk One For All, which grants the ability to stockpile raw power and pass it on to others. After nearly a year of physical training, Deku became the ninth holder of One For All. All Might led several Pro Heroes in locating the League of Villains' hideout, where All For One revealed himself and helped the villains escape before battling All Might. All Might defeated All For One and imprisoned him, but exhausted the last of his embers of One For All and retired.

Did You Know?

Frequently Asked Questions

What is All Might's true identity?

His real name is Toshinori Yagi, a former pro hero who taught at U.A. High School before retiring from active duty. He gained worldwide fame as the eighth inheritor of the stockpiling Quirk known as One For All.

What powers does All Might possess?

He wields One For All, which grants him superhuman strength and durability by accumulating power passed down through previous users. In his muscular form, he can deliver devastating blows that neutralize major threats instantly.

Is All Might still active as a hero?

No, he is currently retired from hero work after a battle with All For One permanently damaged his internal organs. He now lives as a civilian while remaining a mentor to his former students and successors.

Why was he called the Symbol of Peace?

His overwhelming power acted as a global deterrent that kept crime rates low for over thirty years during his active career. Villains hesitated to act under his watch, allowing society to flourish without constant fear of disaster.

How did All Might meet Izuku Midoriya?

All Might first appears in Chapter 1 when he saves Izuku from the Sludge Villain using a massive punch. This encounter leads him to choose Deku as his successor, passing on the One For All Quirk before losing his own power.

More in Heroes & Villains

Elsewhere in the My Hero Academia universe

Spotted an error? Know more?

This is a living reference — every entry is fact-audited, and reader corrections feed straight into our audit queue. Suggest an edit · See this site's audit record

Comments

Loading…
Open in the interactive codex →