Tanjiro Kamado is the main protagonist of the famous Japanese manga and anime series, Demon Slayer: Kimetsu no Yaiba. He's a demon slayer swordsman who joined the Demon Slayer corps in the hopes of finding a way to turn his little sister (who has been turned into a demon) back into a human.
Tanjiro is voiced by Natsuki Hanae in Japanese, and Zach Aguilar in English.