One Piece fans have eagerly anticipated the introduction of Loki, the flamboyant prince of Elbaf, but Hiroshi Oda turned the narrative on its head by presenting him as the “Shame of Elbaf.” This once-cherished prince committed patricide in a quest for a devil fruit, resulting in his disownment by his fellow Elbafians. After being defeated by Shanks, Loki was handed to the giants and left chained in the Underworld, where he spent an extended period in solitude until he formed a friendship with ‘Mosa, also known as Shaggy,’ through a Den Den Mushi.
Spoilers Warning:
This post contains spoilers for One Piece. It is recommended to read the manga or watch the anime to fully enjoy the experience.
Intriguingly, Loki’s cryptic exchanges with Mosa have piqued our curiosity about Mosa’s true identity in One Piece. As of now, Oda hasn’t revealed Mosa’s backstory, prompting fans to produce various theories surrounding this mysterious character.
Who Could Mosa Be in One Piece?
Considering Loki’s conversations, Mosa’s Den Den Mushi appearance, and the potential meanings behind “Mosa,” we’ve compiled a list of intriguing candidates:
1. Elder Jarul

The presence of Elder Jarul on our suspect list is mainly derived from the title “Mosa.” The Japanese term “mosamosa” translates to “fully bearded” or “covered in beard.” Not to mention, the Den Den Mushi that Loki used to communicate with Mosa sported a thick beard as well. This suggests that Elder Jarul could indeed be Mosa, likely due to his close ties to King Harald, Loki’s father. Jarul might have been a mentor to Loki since his birth, which only adds depth to this theory.
Furthermore, it’s implied that Loki might be bearing the blame for his father’s murder to uphold King Harald’s legacy. Recent dialogues hint that Jarul is expected to confront the demon versions of Dorry and Brogy, leaving a gap in their communication. Yet, this theory faces a contradiction, as Loki insists he’s never met Mosa before.
2. Ida

Ida, introduced in chapter 1153, is another intriguing possibility. She is the giant woman who captured King Harald’s heart and bore Hajrudin, though the elders disapproved of them due to their lack of ancient blood. In the same chapter, Oda presented Estrid, known as One Piece’s most loathed mother, who attempted to kill Loki at birth and passed shortly after. This left Loki longing for a mother’s love. In contrast, Ida represented a nurturing figure, potentially keeping in touch with Loki over the years.
Though this theory is heartwarming, Ida’s current status is uncertain, given that positive parental figures often meet tragic fates in One Piece.
3. Princess Shirahoshi

There’s another compelling theory gaining traction: could Mosa be Princess Shirahoshi? Their dialogue hints at shared futures in the upcoming final war, reinforced by the ancient mural in Elbaf. While some fans are skeptical due to Shirahoshi’s imprisonment during the last Reverie, her emotional journey may resonate with Loki’s as he vows to dismantle the establishment that mistreated her. Considering King Harald’s previous visits to Fishman Island, could Loki form a bond with Shirahoshi after the heartbreak from Charlotte Lola?
4. Unknown Celestial Dragon

After Charlotte Lola’s abrupt cancellation of their engagement, Loki faced heartbreak. Mosa may represent his second chance at affection, as they share heartfelt conversations that Loki finds immensely soothing. Mosa’s environment appears tumultuous, paralleling the chaos within the Holy Land of Mary Geoise. Could Oda be weaving a romantic subplot for Loki with an unknown celestial dragon residing there? Though unconventional, fans would undoubtedly appreciate a fresh love story for Loki.
Ultimately, Mosa’s identity remains an enigma, with the potential for Oda to either reveal a familiar character or introduce someone entirely new in the Elbaf arc. With the term “Mosa” being so ambiguous, it’s unclear if Mosa is male or female, keeping the audience guessing. Who do you believe Mosa could be? Join the conversation in the comments below.
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