Overview
All For One is the true leader and benefactor of the League of Villains, the primary antagonist of the Hideout Raid Arc and the central antagonist of the series, along with Tomura Shigaraki.
All For One
オール・フォー・ワン
Sensei
Personality
Once Japan's most powerful villain and All Might's arch-nemesis, his true motives are unclear and his true identity unknown. His current goal is to raise Tomura to become his eventual successor.
Abilities
powerful villain and All Might's arch-nemesis, his true motives are unclear and his true identity unknown.
History
In the anime, he is voiced by Akio Ootsuka as an older man and Hiroshi Kamiya as a younger man. (Source: Boku no Hero Academia Wikia)