In the popular anime and manga series, One Piece, Roronoa Zoro is known as a skilled swordsman and a member of the Straw Hat Pirates. However, there have been speculations among fans that Zoro, created by Eiichiro Oda, is actually an Oni. In Japanese mythology, Oni are often depicted as horned creatures with supernatural powers. This theory suggests that Zoro may not be entirely human.
The speculation gained traction due to the introduction of another character, Yamato, who is the daughter of Kaido and belongs to the Oni race. Yamato’s appearance is mostly human, except for her horns. This led fans to believe that Zoro, like Yamato, is an Oni.
A clue supporting this theory can be found in the early chapters of One Piece when Luffy first encounters Zoro. Luffy is intrigued by Zoro and invites him to join his crew on their journey to find the One Piece. However, Koby warns Luffy about Zoro, describing him as a terrifying and monstrous individual. Despite this warning, Luffy becomes even more interested in Zoro.
While some argue that this clue should not be taken seriously, there are still indications from fans that support the idea of Zoro being an Oni. In the One Piece world, there are characters who are descendants of Oni but possess a human-like appearance. The question arises: if Zoro is an Oni, where are his horns? It is suggested that his horns may only grow when he is in a serious mode or experiencing intense emotions during battles. The bandana he wears may serve to conceal his head and prevent the horns from growing under sunlight, similar to how Oars uses a straw hat to protect himself.
Although the bandana is often seen as a decorative element in Zoro’s character design, it holds a deeper meaning. It is likely that Zoro received the bandana from his parents as a symbol or inheritance, much like Luffy’s hat or Katakuri’s scarf, which are used to hide certain secrets. Another character, Whitebeard, also wears a bandana from a young age to hide his Oni-like features and avoid discrimination. Interestingly, Whitebeard’s iconic pointed beard is believed to be his horns.
Other clues can be found throughout the One Piece story, such as Luffy teasing Zoro with terms like Onigiri and Onigashima. Additionally, Zoro’s extraordinary achievements in battles, which seem inhuman, could be attributed to his Oni ancestry. His skills are believed to come from his great-grandfather, Ryuma, while his strength and endurance may stem from his Oni ancestors. Zoro’s resilience and his fondness for alcohol also share similarities with Kaido and Whitebeard.
Although some may find it unfair or uncool for Zoro’s character to be depicted in this way, being a strong human with powerful Haki is already an impressive feat. It is important to note that the presence of “monster trio” characters like Luffy (a rubber human from the Moon race), Sanji (a genetically engineered human), and Jinbei (a fish-man) is not uncommon in the One Piece universe.
While it is yet to be confirmed by the official storytelling of One Piece, the theory of Zoro being an Oni remains speculative. Only time will tell if Zoro’s bandana will halt the growth of his horns or if he will eventually unleash their power, surprising fans. For now, these theories and hypotheses are based on clues and interpretations from dedicated One Piece fans.