Tanjiro has ruffled black hair with red tips, combed back to expose his forehead, and wide, dark red eyes with white pupils that appear lighter around the lower section of his irises. He also has a scar on the top left of his forehead. He wore a checkered green and black haori, with the Demon Slayer uniform of a low rank. He's a kind boy, and heartful. Every moment with him made anyone feel warm, due to how bright he was. He's enthusiastic, and respectful.