She is a small child with brown hair tied up in a ponytail. She wears a small pink shirt with purple pants.
She and the other children have a very close relationship with Aunt, whom they call "Mama".
Post-Enies Lobby ArcEdit
Yoko was part of a group of orphans who was under the care of Aunt. After loan sharks tried to steal her money, Zoro sent them and some pirates away, fixing the situation.