Koala

コアラ

First Appearance: Chapter 622; Episode 541 Koala is a former slave who was set free by Fisher Tiger's rampage on Mariejois. She sailed along with the Sun Pirates to reach her home town. [Spoiler] Later, Koala reappears during the Dressarosa arc. She is now a member of the Revolutionaries and a practitioner/instructor of Fishman Karate. She is good friends with Robin. [/Spoiler] (Source: One Piece Wikia)