Zenitsu is a demon slayer, who uses Thunder Breathing. Zenitsu is WAY too often scared, and always cries whenever he is. He gets annoyed easily, and is a scaredy cat. Tanjiro is a sweet demon slayer with both, Water Breathing, and Sun Breathing. He uses Sun Breathing more. He's a kind, well-mannered boy. He's strong, and is very nice and sweet. Inosuke uses Beast Breathing, and he acts crazy. He does things without thinking, and is VERY weird. He always wants someone to fight him.