This list contains spoilers for One Piece.
In the ever-expanding world of One Piece, sibling duos are among the strongest forces fans have ever seen. After all, they possess the same blood in their veins, which could either bring unbreakable loyalty or fierce rivalry. Together, they share a special connection that only those with siblings can truly understand.
One Piece Creator Eiichiro Oda Hints At Luffy and Nami's Romantic Relationship
Luffy and Nami have a strong bond. Oda hints at their romantic relationship in One Piece.
Among the sibling duos in anime, One Piece stands out for featuring solid and well-developed tandems. From siblings torn apart by tragedy to those strengthened by love, the series created by Eiichiro Oda never fails to deliver unforgettable sibling relationships. That said, it’s time to take a closer look at these exceptional sibling duos in One Piece.
This article highlights only the blood-related siblings in One Piece.
9 Yeti Cool Brothers
The Yeti Cool Brothers are a mysterious pair of siblings who appeared in the Punk Hazard arc and have disappeared since then. Their status remains unknown, with many fans believing they’ll return in the final chapters of One Piece.
While the anime adaptation never showed their faces, the manga revealed what Scotch and Rock looked like without shadows. They look like stone hedges, making them more mysterious than ever.
With regard to their sibling bond, they are the true embodiment of what it means to have each other’s backs. Not only did they manage to defeat Zoro, but they also cornered the Straw Hats most unexpectedly. Despite their appearance, they are incredible fighters who will do what is asked as long as there’s a hefty fee involved.
8 Hiyori and Momonosuke
20 years isn’t enough for Hiyori and Momonosuke to forget each other in One Piece. They were apart for a long time, but that didn’t stop the siblings from caring for each other.
Kouzuki Oden’s children have a strong bond, and it shows in Hiyori's relentless search for Momonosuke in the belief that he would fulfill his promise to her. They are more than just siblings, as they are each other’s moral support. No wonder she was so proud of her brother for becoming Wano's new shogun.
Like ordinary siblings, Hiyori and Momonosuke also shared playful moments that showed how close they are. Even if Hiyori tends to playfully attack Momonosuke with her iconic dropkicks, it’s clear that her teasing comes from sisterly love.
7 Kiku and Izo
When it comes to Kikunojo and Izou, the first thing that always comes to the minds of most fans is their real gender. For clarification, they both present themselves as females, but they are biological males.
Unfortunately, most fans fail to see the sibling dynamic that Kiku and Izo formed first, a rare sibling bond that’s built on mutual respect, trust, and camaraderie. They have a solid relationship, the kind that would make any other sibling jealous in a heartbeat in One Piece.
6 Ulti and Page One
The Tobiroppo boasts a solid sibling duo in Ulti and Page One. While they usually bicker with one another, they share an unbreakable bond. Ulti is the most doting sister to Page One, never failing to ensure that her younger brother knows she will always have his back, no matter what happens.
On the contrary, Page One is more reserved, making it a nice contrast to Ulti’s overprotective nature. He might not show it in plain sight, but he deeply cares for his sister and will go to great lengths to keep her out of danger. Together, they can make fans laugh with their chaotic tandem, almost as if they represent real siblings who show their love through constant teasing and bickering.
5 Doflamingo and Corazon
If there’s a parallel universe in One Piece, Doflamingo and Corazon would have been unlikely allies, maybe even brothers in spirit rather than blood. In the real story, however, Doflamingo and Corazon had one of the most tragic and complex sibling relationships, influenced by betrayal, ambition, and unspoken love.
At first, Doflamingo cared deeply for Corazon, so much so that he wanted no harm done to his brother, no matter what happened. He was willing to be his ultimate protector, who would go to extreme lengths just to protect him.
Over time, that intense protective feeling changed as Doflamingo’s ambition overshadowed his love and care for Corazon. He became successful in his chosen career, and the rest is history. While Corazon held on to his compassionate nature, Doflamingo descended further into darkness.
4 Katakuri and Brulee
For many fans, Katakuri and Brulee best represent sibling loyalty and protection in One Piece. Since they were young, Katakuri and Brulee cared for each other deeply and continued to do so, without hesitation. They always supported one another, whether it was in battle or during family conflicts. They never judged or mocked each other, which many fans appreciated.
Among Big Mom’s children, Katakuri and Brulee’s relationship is easily the best. There’s no hint of rivalry between them, just pure love, care, and respect. Those who try to cross them or wrong them in any way quickly learn that their sibling bond is as strong as their fighting abilities. The best part? Brulee’s oniichan will always come to her rescue.
Who’s That Character?
Identify the silhouettes before time runs out.
Identify the silhouettes before time runs out.
3 Shanks and Shamrock
Not much is known about Shanks and Figarland Shamrock’s sibling relationship in One Piece. Still, it’s easy to see the differences between the Figarland twins, despite their similar features. This makes them more intriguing, as fans are left to speculate about their past interactions and how their bond influences the story.
At a glance, Figarland Shamrock looks like a prince compared to Shanks, who carries a more rugged and carefree appearance. Based on his appearance, Shamrock comes across as refined and classy, and that sophistication likely extends to his outlook as well. Despite Shanks’ fearsome reputation, he doesn’t regard him highly, setting the stage for a long-overdue rivalry.
2 Loki and Hajrudin
Unlike the other sibling pairs on this list, Loki and Hajrudin never shared a close bond as stepsiblings for most of their time together in One Piece. To put it simply, they hate each other, making it impossible for them to cooperate or see eye to eye on anything. After all, Loki constantly bullied Hajrudin, while Hajrudin resented him for speaking ill of his foreign mother.
Yet still, many fans respect Loki and Hajrudin for showing the consequences of hatred and abuse. Their circumstances might look different at first, but both were victims of the endless cycle of hatred. Loki was blinded by his hatred for his mother and the unfair world in general, and the same is true for Hajrudin, who was blinded by hatred for his brother.
1 Sanji and Reiju
Among Sanji’s siblings, it was only through Reiju that Sanji experienced sibling love and care, no matter how awkward or understated it sometimes was. Reiju was different from Sanji’s other siblings in a way that set her apart as the only sibling who genuinely wanted the best for him. She supported his ambition to become a cook and encouraged his independence, reminding him that he was destined for something greater.
Even after years of not seeing each other, Sanji and Reiju’s bond persisted. She was his greatest protector, and the same is true for Sanji, who always held her in his heart as someone worth defending at any cost. Even in the harshest environment, love and empathy existed between these Vinsmoke siblings.
- Release Date
- October 20, 1999
- Network
- Fuji TV
- Directors
- Hiroaki Miyamoto, Konosuke Uda, Junji Shimizu, Satoshi Itō, Munehisa Sakai, Katsumi Tokoro, Yutaka Nakajima, Yoshihiro Ueda, Kenichi Takeshita, Yoko Ikeda, Ryota Nakamura, Hiroyuki Kakudou, Takahiro Imamura, Toshihiro Maeya, Yûji Endô, Nozomu Shishido, Hidehiko Kadota, Sumio Watanabe, Harume Kosaka, Yasuhiro Tanabe, Yukihiko Nakao, Keisuke Onishi, Junichi Fujise, Hiroyuki Satou
Cast
-
Mayumi TanakaMonkey D. Luffy (voice) -
Kazuya NakaiRoronoa Zoro (voice)
WHERE TO WATCH
One Piece is a Japanese manga written and illustrated by Eiichiro Oda. The series follows protagonist Monkey D. Luffy and his Straw Hat Pirate crew as they explore the Grand Line to find the King of the Pirates' ultimate treasure, the One Piece, in order to become the next king. The manga's popularity helped it spin off into a larger media franchise, including an anime with more than 1,000 episodes.
- Writers
- Jin Tanaka, Akiko Inoue, Junki Takegami, Shinzo Fujita, Shouji Yonemura, Yoshiyuki Suga, Atsuhiro Tomioka, Hirohiko Uesaka, Michiru Shimada, Isao Murayama, Takuya Masumoto, Yoichi Takahashi, Momoka Toyoda
- Franchise(s)
- One Piece
- Creator(s)
- Eiichiro Oda
- Seasons
- 21
- Studio
- Toei Animation
- Creator
- Eiichiro Oda
- Number of Episodes
- 1122
- Streaming Service(s)
- Crunchyroll, Netflix, Hulu, Pluto TV
- MyAnimeList Score
- 8.72
