Tomura Shigaraki was born as Tenko Shimura, the grandson of Nana Shimura, the former holder of One For All. He lived a lonely childhood, marred by neglect and abuse. After activating his Quirk for the first time, which resulted in the death of his family, he abandoned his original name and adopted the identity of Tomura Shigaraki. He eventually encountered All For One, who took him under his wing and molded him into a powerful villain. Over time, Shigaraki grew into the leader of the League of Villains, aiming to eradicate heroes and reshape society according to his vision. His story is one of struggle, denial, and transformation, reflecting his evolution from a lost boy into a formidable antagonist capable of challenging the very structure of hero society. Throughout the anime and manga, his character has showcased significant growth and complexity, providing fans with a multifaceted view of villainy that contrasts sharply with the ideals of the heroes.