Sasuke Sarutobi

猿飛 佐助, Monkey Ninja
A ninja monkey bred by Dabinoji. His true identity is that of Sasuke Sarutobi one of the Sanada Ten Braves. He was transformed by the gramary of Yasha because he learned too much about Yashas plans. Although he is called a genius ninja his skills are only equal to that of NinjaTaro. Source: Wikipedia