TV-Series
Description
Dabi is a major antagonist in My Hero Academia, known for his distinctive appearance shrouded in mystery. His real name is Touya Todoroki, the eldest son of the number two (later number one) hero, Endeavor, and his wife, Rei. He is the older brother of Shoto Todoroki, one of the series' protagonists. The name Dabi itself is Japanese for cremation, a fitting alias given his fate and abilities.

Physically, Dabi is a tall young man standing 176 centimeters tall with a slim build. His most striking feature is the extensive, gruesome burn scars that cover the majority of his body, held together by staples and patches of skin that are not his own. These scars are a direct result of his own destructive power. He has bright blue eyes and, originally, white hair, though he dyes it black to conceal his identity as a member of the famous Todoroki family.

Dabi's personality is defined by a cold, sardonic, and often condescending demeanor, masking a core of intense, burning hatred. He is highly intelligent and calculating, often serving as a tactical leader for the League of Villains' operations. He rarely shows genuine emotion, usually responding to chaos and violence with detached amusement. His primary driver is a deep-seated, nihilistic desire for revenge, not against society in the abstract, but against his father, Endeavor, specifically. He is utterly ruthless and sees others, even his allies in the League, as tools to be used for his single-minded goal.

His motivations are rooted entirely in his tragic and abusive family history. As a child, Touya was Endeavor's first attempt to create a child who could surpass All Might. He inherited his father's powerful fire quirk to an even stronger degree, capable of producing blue flames far hotter than Endeavor's orange-red ones. However, he also inherited his mother's constitution, which was resistant to ice and cold but not to high heat. This meant that every time Touya used his powerful flames, he would burn his own body. When Endeavor deemed him a failure and turned his attention to his younger brother Shoto, who possessed both fire and ice, the young Touya was emotionally rejected and abandoned. Driven by a desperate need for his father's acknowledgment, he continued to train in secret, eventually losing control of his quirk on Sekoto Peak. The resulting firestorm was so intense that he was presumed dead, with only a fragment of his jawbone found.

In reality, Touya survived, his body horrifically burned. He was found and saved by the arch-villain All For One, who reconstructed his body but noted that his physical condition was so damaged he had little time to live. After learning that his family had moved on and erected a memorial for him, and seeing Endeavor continue his brutal training of Shoto, Touya abandoned his former identity. He dyed his hair and emerged as Dabi, a villain whose entire existence is dedicated to destroying everything his father has built. He adopted the ideology of the Hero Killer Stain as a convenient justification for his crusade against the hero society that his father represents.

In the story, Dabi is a central figure of the League of Villains, which later becomes the Paranormal Liberation Front. He serves as the commander of the Vanguard Action Squad, leading attacks on the U.A. High School training camp and the Bakugo rescue operation. His most significant act in the narrative is a long-planned, devastating reveal. During a nationwide broadcast, he publicly announced his true identity as Touya Todoroki and detailed the horrific abuse he suffered at the hands of Endeavor, the number one hero. This revelation is intended to shatter public trust in heroes and destroy his father's reputation and legacy completely.

Dabi's key relationships are almost entirely defined by his vengeance. His relationship with Endeavor is the core of his character, an all-consuming need to make his father pay for his suffering. He views his brother Shoto with a complex mix of resentment for being the "successful" creation and as another tool to hurt their father. Within the League, he has a pragmatic but not truly friendly relationship with its leader, Tomura Shigaraki. He has a notable partnership with the villain Twice, and after Twice is killed by the hero Hawks, Dabi personally executes a brutal revenge, incinerating Hawks' wings.

Throughout the series, Dabi's development is less about change and more about revelation. He begins as an enigmatic, powerful villain with a mysterious connection to the Todoroki family. As the story progresses, the specifics of his horrific past as Touya are slowly unveiled, reframing his actions not as those of a pure monster, but as a tragic victim of a corrupt system whose pain transformed him into a weapon of mass destruction. His development arc sees him moving from a shadowy schemer to the main catalyst for the social collapse of hero society, finally achieving his greatest goal by exposing his father's sins to the world.

Dabi's notable abilities center on his quirk, which he names Blueflame. This quirk allows him to generate and control extremely powerful, high-temperature blue flames from any part of his body. His fire is significantly hotter than his father's Hellflame, capable of incinerating almost anything and even burning other fire-resistant heroes. The temperature of his flames increases with his emotional state, particularly his hatred and rage, making him most dangerous when he is most unhinged. To compensate for his body's lethal weakness to his own heat, Dabi fights strategically, using his fire in powerful, short bursts to overwhelm enemies before his body gives out. He has also demonstrated enhanced durability and a high tolerance to pain, a necessity for someone who constantly burns himself alive. In a desperate final state, the power of his quirk evolved to even manifest ice abilities, mimicking the perfect fire-ice balance of his brother Shoto, though this came at a catastrophic cost to his already ruined body.