Basho Matsuo

He is revived inside an Ape's body and can transform into an ape-man. Rather than being a poet, Basho was actually a shinobi disguised as one. He betrayed Onimaru, wanting the power of Ryuujin's Orb for himself, and fights the group using a scythe and several magical needles that turns the victim to stone. He was defeated by Yaiba's Darkness Orb and sent into the World of darkness, where he's last seen chased around by Kerosuke.