Yuuichirou Hanma, is the father of Yuujirou Hanma and grandfather of Jack Hanma and Baki Hanma. He is the only other person aside from Yuujirou to defeat the USA on a small island in the Okinawa territory during WW2. He is also known for defeating 2,000 US soldiers using one technique.<br /> <br /> (Source: Baki Wiki)<br /><br />