Dabi is a rude and argumentative person who has no sense of respect. He introduced himself to Tomura informally, and refused to give out his real name. Nevertheless, he is a calm-minded person, who is always focused and determined to complete his given tasks. However beneath this facade lies a broken, bloodthirsty, deranged, vengeful, unhinged and cruel man hellbent on a path of vengeance.

His quirk is Blueflame Dabi's Quirk grants him the ability to generate and control highly destructive fire