Mayuri Kurotsuchi is the captain of the 12th Division. His Zanpakuto's name is Ashisogi Jizo, his Bankai's name is Konjiki Ashisogi Jizo. He is the Current President of Shinigami Department of Research and Development Institute. Nemu Kurotsuchi is the Lieutenant of the 12th Division. She is the Current Vice-President of Shinigami Department of Research and Development Institute.