Zenitsu is a 16-year-old boy, around 5'4-5'5, hair that falls in front of his face in uneven bangs, loosely resembling a bowl cut, it is yellow, and it fades to orange at the tips, he has golden eyes, he is described as "cowardly", and something of a wannabe womanizer, often thinking they love him and will frequently ask them for their numbers, or even marriage. he wears a traditional demon slayer outfit with a yellow haori with white triangles on it, his blade has lightning bolts running up.