Tanjiro: ruffled, black hair with burgundy tips. He uses sun breathing. Kind, determined, honest. Protective. The ‘leader’ of the three. Zenitsu: Short, yellow hair of varying lengths. He uses thunder breathing. weak-willed, anxious, terrified of demons. He fights better in his sleep. Gushes over ANY woman. Inosuke: thick, black hair, fades into blue. Uses beast breathing. short-tempered, confrontational, proud. Wears a boar mask. Mispronounces names and words. They are all 16 y/o.