Tanjiro is a young man of average height with fairly tanned skin and an athletic, muscular physique. Tanjiro is very kind by nature and has been described by others as having very gentle eyes and a compassionate persona. He exhibits a great deal of determination and will not give up once he has a goal to achieve. He is very protective of his friends and even more so of his younger sister. Tanjiro does have a limit to his tolerance and has a distaste for rudeness and cowardice.