Grand Ninja Kazuki

Grand Ninja Kazuki (壮大忍者和樹 Sōdai Ninja Kazuki)is a ninja warrior who trained and studied in all 6 ninja elements. He is the acting mentor to the Shinobiman.

Biography
After surpassing the training in each element, the elders of Shinobi Island gave him the First Scroll that lead to the Shinobi Zone. With the scroll he was given the mission to prepare for the day that the CORE forces would break free and wreak havoc. He took on the mission by creating the Ninpou Cellulars with the help of his daughter Sakura.