Toshinori Yagi

All Might (オールマイト, Ōrumaito) is the No. 1 Hero and the "Symbol of Peace".

Appearance
In his hero form, All Might is a very tall and over-musculated man whose design resembles the american hero comics. His hair spikes on top of his head and his whole body has more shadows than a normal human being.

However, in his true form, he is an overly-skinny man who spits a lot of blood out of his mouth and his clothes appear wider.

Note that in both forms, his eyes are sunken in, but the difference is that you can see his eyes in his true form.

Personality
All-Might's hero persona derives much from American hero stereotypes, in which that they're colorful and have a lot of dramatic flair. Always sporting a giant smile, he usually shows off a bright, can-do attitude that borders on being obnoxious. All-Might also tends to be extremely friendly and amicable, due to his popularity and years in the spotlight. However, when All-Might reverts back to being sick and scrawny (as a result of a previous battle), he tends to be less energetic due to his constant blood-spitting. Additionally, tries not to draw much attention to himself while in his true form, always afraid that others might learn of his current state of health.

Two personality traits always persist, though, whether he's in hero-mode or normal-mode: his optimism and his oafish-ness. All-Might has always had faith and hope that someone would come along, worthy enough to bear the "One for All" quirk. The manga also depicts him as sometimes being outsmarted by his students, and even his fellow teacher, Shouta Aizawa has called him an idiot a few times.

Quirk
"One For All" - All Might's Quirk grants him super strength, greatly enhanced agility and the ability to fly.

Moves

 * Texas Smash (Move): All Might throws a right punch with enough force that the wind pressure sends anything made of liquid flying away. This move was first used to save Izuku Midoriya from an unknown enemy in Chapter 1.
 * Detroit Smash (Move): All Might preforms that same attack as Texas Smash except her down is with a downward punch instead of a straight punch, the punch is powerful enough to create a large shock way that cleared the weather. This move was first used to save Izuku Midoriya and Katsuki Bakugou from an unknown enemy in Chapter 1.
 * Missouri Smash (Move)
 * Carolina Smash (Move)

Battles
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5 Years Before Story Begins

 * All Might vs. Super Venom Chainsaw: Lose

Entrance Exam Arc
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 * Izuku Midoriya and All Might vs. Unknown Enemy: Win

Izuku Midoriya
At their first meeting, All Might thought that Izuku was just a fan, but he started to acknowledge him when he jumped to save Katsuki from the Hedoro Villain. From that moment, he decided he would pass his powers to Izuku and they started to share a feeling of mutual respect.

Shouta Aizawa
Not much is know of their past, but because of their personalities, they don't get along.

Kango Kyouyu
Kango is one of All Might's friends that know about his condition and his Quirk.

Trivia

 * He likes movies.
 * His signature moves are named after states and cities in America.