Doshun Igasaki (伊賀崎道順 Igasaki Dōshun) was a ninja who lived in the Warring States period who, being of the Igasaki Clan, particpated in the defeat of the evil feudal warlord Gengetsu Kibaoni, who intended to unite Japan under fear, in 1571. He is an ancestor of the Last Ninja, Yoshitaka Igasaki, and by extension his grandchildren, the five Ninningers, both of whom would fight the reprisals of Kibaoni that would emerge over the following centuries. Doshun Igasaki was acknowledged by Yoshitaka in his book I am the Last Ninja. Shinobi 12: Ultimate Battle! Miracle Combination