Longlimb humans are a rare mixed race produced when a member of the Longarm Tribe and a member of the Longleg Tribe have a child. Big Mom keeps one of these unusual people locked away inside her son's enchanted book collection, alongside other oddities she has gathered.
No fully drawn longlimb human has ever been put on the page, so their exact look stays a mystery. Logic suggests they carry both signature features of their parent races: the stretched, twice-jointed reach inherited from the Longarm side, and the towering legs that define a Longleg. When Big Mom displayed her captive specimen in the manga, only a speech balloon begging for help appeared, leaving its build and sex unconfirmed. The anime took a different route, voicing the prisoner as a male and showing masculine limbs, though the arms it revealed lacked the extra joint typical of longarms, possibly because they were restrained out of view.
As a blend of two tribes built around exaggerated limbs, a longlimb human would presumably enjoy both an extended grasp and unusually long legs. The race draws its concept from the Ashinaga-tenaga of folklore, a paired set of creatures in which one boasts lengthy arms and the other lengthy legs, fused here into a single being. The literal reading of their name translates closer to Longarmleg Humans.
During the events on Whole Cake Island, one longlimb human ended up imprisoned by Big Mom, sealed inside a book stuffed with strange creatures through the power of her son Mont-d'Or. She presented this caged oddity to the visiting Vinsmoke family as part of her menagerie of collected curiosities.

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The Longlimb Humans are one of the rarest races in One Piece, a hybrid produced only when a member of the Longarm Tribe and a member of the Longleg Tribe have a child. Only a single specimen has ever been shown, held captive by Big Mom.
A Longlimb Human is a rare hybrid person born to one parent from the Longarm Tribe and one from the Longleg Tribe. Big Mom keeps one of these unusual people locked away inside her son Mont-d'Or's enchanted book collection.
No fully drawn Longlimb Human has ever appeared, so their exact look remains a mystery. Logic suggests they combine the Longarm Tribe's stretched, twice jointed arms with the Longleg Tribe's towering legs, though the one shown in the manga only appeared as a speech balloon begging for help.
A Longlimb Human first appears off panel in Chapter 847 and onscreen in Episode 812, imprisoned by Big Mom inside a book of strange creatures on Whole Cake Island.
The Longlimb Human race draws on the Ashinaga-tenaga of Japanese folklore, a paired set of creatures where one has long arms and the other long legs, fused here into a single being. Their literal Japanese name translates closer to Longarmleg Humans.
Looking for more on Longlimb Humans? The One Piece Wiki on Fandom has a dedicated page with community notes.
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