In-universe, Vivi has always been treated as an honorary Straw Hat Pirate, and with Vivi returning in One Piece's final saga, she might finally join the crew for real. Karoo is Vivi’s pet super ...
When it comes to the Straw Hat Crew in One Piece, the crew acts more like a family than a normal pirate group. Members of the crew feel more like siblings and close relatives, more often than not ...