Zenitsu Agatsuma is one of the main characters of Demon Slayer (Kimetsu No Yaiba), a fantasy action anime and manga. Zenitsu is a young demon hunter who joins the organization to earn money and pay off his debts, although at first he is a rather cowardly and fearful character.
Despite his skittish personality, Zenitsu has a special ability that allows him to move with incredible speed and slash his enemies with great precision. Over time, Zenitsu proves to be a brave and loyal character, becoming a vital ally to the main character, Tanjirou Kamado, in the fight against demons. Zenitsu is a beloved character for his sense of humor and charisma, and has become a favorite of fans of the series around the world.