User blog comment:Ricizubi/Do you believe that the 10th memeber is Shirahoshi? or Jinbei?/@comment-1724487-20110510171118/@comment-4094276-20110727211933

Hachi is a possibility, but i would not rule out Shirahoshi, it may be misdirection but, she is obviously being set up to be the next Straw Hat by Oda, like he did with Paulie at Water 7 in my opinion.