Kokutō Uzumaki

"I don't know...I just try to make sure Sigma is safe."

- Kokutō

 (黒刀, Uzumaki Kokutō) is a young child, formerly lost in a island just inside the borders of Kakōgakure. He was found, and later adopted by Sigma Uchiha - the First Kawakage (初代川影, Shodai Kawakage). Kokutō, was born with a unique, known as the Senzogan.