Musō Gonnosuke
Musō Gonnosuke Katsuyoshi (夢想權之助勝吉) was a samurai of the early 17th century and the traditional founder of the Koryu school of jojutsu known as Shintō Musō-ryū (神道夢想流/神道無想流). He engaged in two duels with the legendary swordsman Miyamoto Musashi, although the second duel's occurrence is disputed.