Kokoro
Biography
Kokoro (ココロ) is the main conductor of the Sea Train, Puffing Tom, at the station just outside of Water 7. She has a granddaughter named Chimney, who accompanies her everywhere. (Source: One Piece Wiki)
Anime Appearances
One PieceSupporting
One Piece Film: Strong World Episode 0Supporting
One Piece: Episode of Merry - Mou Hitori no Nakama no MonogatariSupporting