Bird, sparrow. Only makes "Chu" sounds. Cheerful. Zenitsu's companion. A sparrow that delivers all the news from the Demon Slayer organization to Zenitsu. Young adult. Kind, cute, but determined. Actually can give good advises. Chuntaro is Zentisu's sparrow. He delivers missions to him and have to deal with his whining. Even though Zenitsu annoys him, he cares about him. He begins to like him after a while. His family was killed by demons. He hates demons and he does his best to help the slayers