Chimney is the granddaughter of Sea Train conductor Kokoro, her only mermaid grandparent, making Chimney 1/4 mermaid. She is the owner of a rabbit named Gonbe (whom Chimney thinks is a cat).

She is an ally of the Straw Hat Pirates during the Water 7 and Enies Lobby Arcs.


Chimney is a young and vibrant girl. She wears her green hair in pigtails that always seem to stand upward, and are puffy at the end, along with sandals and a short white shirt over a striped dress, of orange and red stripes. Her color schemes from the original manga and the anime are slightly different, with the manga depicting her shirt as light blue and her dress as yellow and green.

After the timeskip, she is slightly taller and now dresses in conductor’s attire, with a large hat like Kokoro’s, an overcoat draped over her shoulders, gloves, and a whistle.


Chimney is lighthearted, hyperactive, and adventurous. Like her grandmother, she is almost always seen wearing a wide grin. She has a carefree attitude and is vastly curious, but she is an innocent young child. She usually tags along with Kokoro, Luffy, or whoever is around.

Abilities and Traits

Chimney is the granddaughter of Kokoro, a mermaid who married a human. Kokoro had a 1/2 mermaid son, who then married another human; as a result, Chimney is 1/4 mermaid and 3/4 human. Although she retains none of her grandmother’s heritage, she is an extremely good swimmer. She appears to be a somewhat durable character, as seen when she only suffered a minor nose bleed even though Rocketman crashed violently into the bridge at Enies Lobby. She has very good eyesight as she was able to see Luffy stuck between two buildings in Water 7 at night. She also noticed Luffy climbing on the top of the tribunal at Enies Lobby; and it should be noted that in both situations, Chimney was at a considerable distance.


Water 7 Saga

Water 7 Arc

She takes a liking to the Straw Hat Pirates instantly when the crew meets her in Shift Station. She and Gonbe accompanied her grandmother to Water 7 when she noticed Aqua Laguna was coming. She then showed up again when Franky went to Blueno’s bar to refill on cola.

Enies Lobby Arc

She, along with Gonbe, later sneaks aboard the prototype Sea Train, Rocketman. She accompanies the Straw Hats, Franky Family, and Galley-La foremen to Enies Lobby. Chimney later follows Rob Lucci, Spandam and Nico Robin, and begins painting a path for the Straw Hats to follow on the walls. She also discovers the entrance they took which she later shows Luffy, and he breaks the door with Gear Third. Rob Lucci reveals that he knew she and Gonbe were following them, but chose not to do anything because he wasn’t ordered to.

As Luffy is confronting Lucci, Chimney and Gonbe then run along with Kokoro and the other Straw Hats through the secret tunnel. When Lucci floods the tunnel during his battle with Luffy, Kokoro reveals her mermaid form and carries the group through the tunnel, out into the sea, and lands on a Government ship that Franky and Robin took control of. Chimney, Gonbe, and Kokoro watch over an immobile Chopper as the other Straw Hats battle the Marines. When the Marines learn that the pirates are planning to use the ship for escape, they have their warships destroy it. Luckily, Sanji saves Chimney, Gonbe, Kokoro, and Chopper by carrying them off the ship in the nick of time. When the Marines have the group cornered, they hear the Going Merry. They jump into the sea, board the Going Merry, and ultimately escape Enies Lobby.

After sailing far away from Enies Lobby, the group meets up with Iceburg and the Galley-La workers. The Going Merry breaks down and Chimney attends its Viking funeral along with the rest of the group.

Post-Enies Lobby Arc

Chimney and the group then returned to Water 7 and hung out with the Straw Hats in the Galley-La Headquarters. When Vice Admiral Garp arrived to see Luffy, Chimney was shocked to learn that Garp is Luffy’s grandfather and Dragon his father.

Chimney and Gonbe later swam in the Galley-La pool as Nami eavesdropped on Luffy and Koby’s conversation. She and her pet then attended the Straw Hats’ big party. After Franky, Iceburg, and the Galley-La workers finished constructing the Thousand Sunny, Chimney, Gonbe, and Kokoro then saw the Straw Hats set sail to their new adventure.

Where They Are Now

Chimney, Gonbe, and Kokoro are then seen at the Sea Train station, having fun with Yokozuna since he does not fight with the Sea Train anymore.

Fish-Man Island Saga

From the Decks of the World

After the timeskip, Chimney has grown taller and has become the Sunday stationmaster of the Shift Station.

Whole Cake Island Saga

From the Decks of the World: the 500,000,000 Man Arc

After Franky’s new wanted poster was released, Chimney was beside Iceburg and cheering as the latter stared at it.

Wano Country Saga

The following events are Non-Canon and therefore not considered part of the Canon story.

One Piece: Stampede

She was riding next to Gonbe at the front of the Puffing Ice that was crossing through Delta Island.

Concludes non-canon section.

Early Concepts

Oda included her in some early sketches. She had bangs swept to the side and had a slimmer face.


Video Games

Support Appearances

  • One Piece: Gear Spirit

Non-Playable Appearances

  • One Piece: Gigant Battle
  • One Piece: Gigant Battle! 2 New World


  • Chimney’s name is most likely derived from the chimney of a train.
  • Chimney is the second of known individuals in the series to be part of a bloodline mixed with human and another race, the first being Sapi.
  • Chimney is so far the only hybrid without any non-human features.
  • Chimney’s favorite food is Sanji’s paille (thin potato fries).


  1. 1.0 1.1 1.2 1.3 1.4 1.5 One Piece Manga and Anime — Vol. 34 Chapter 322 and Episode 229, Chimney makes her debut.
  2. 2.0 2.1 2.2 One Piece Manga — Vol. 66 Chapter 652, cover story: From the Decks of the World Vol. 34.
  3. 3.0 3.1 3.2 3.3 3.4 Vivre Card – One Piece Visual Dictionary (Card #0359), Information about Chimney is revealed.
  4. One Piece Blue Deep: Characters World (p. 104), Chimney’s birthday is revealed.
  5. 5.0 5.1 SBS One Piece Manga — Vol. 45 (p. 88), Fan Question: If Kokoro-san is a mermaid, why is her granddaughter Chimney a normal human?
  6. One Piece Manga and Anime — Vol. 42 Chapter 400 and Episode 285, Chimney, Gonbe, and Kokoro emerge from the Rocketman’s crash with no more than nosebleeds.
  7. One Piece Manga and Anime — Vol. 35 Chapter 335 and Episode 237.
  8. One Piece Manga and Anime — Vol. 36 Chapter 339 and Episode 240.
  9. One Piece Manga and Anime — Vol. 42 Chapter 403 and Episode 228, Chimney witnesses the debut of Luffy’s Gear Third to smash the steel door.
  10. One Piece Manga and Anime — Vol. 45 Chapter 431 and Episode 313, Back at Water 7.
  11. One Piece Manga and Anime — Vol. 45 Chapter 432 and Episode 314, Back at Water 7.
  12. One Piece Manga — Vol. 50 Chapter 486, cover story: Where They Are Now Vol. 1.
  13. One Piece Manga — Vol. 81 Chapter 816, cover story: From the Decks of the World: The 500,000,000 Man Arc Vol. 10.
  14. One Piece Movie — One Piece: Stampede.

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