Tanjiro: Black hair with burgundy tips, hanafuada earrings, red eyes and white pupils, and good nose,  he's kind, gentle and sweet by nature. 16 years
Zenitsu: Blonde, with dark yellow eyes, good audition , he is an coward, crybaby and a simp. 15 years 
Inosuke: He is a boy with a girly appearance, having black shoulder length hair, that goes to blue as it comes his neck. He has green eyes, uses a Boar mask on his head. Feral, loves food. 16 years. 