WEBŌkubo Toshimichi (大久保 利通) (26 September 1830 – 14 May 1878) was a Japanese statesman and one of the Three Great Nobles regarded as the main founders of modern Japan. Ōkubo was a samurai of the Satsuma Domain and joined the movement to overthrow the ruling Tokugawa Shogunate during the Bakumatsu period.