Kaworu Kobayashi (カヲル小林, Kobayashi Kaworu) is a shinobi from Iwagakure and a Jonin-Rank ninja. He is the younger brother of Missin-Nin Nagato Kobayashi and unlike his brother is still loyal to Iwagakure. He is also the jinchūriki of the Seven-Tailed Horned Beetle (七尾のカブトムシ, Nanabi no Kabutomushi). He is also Know as The Jinchuriki of the Stone (人柱石の, Ishi no Jinchuriki).