This is not a new theory, and is backed by multiple previous instances, beyond the One Piece episode #1153 preview. While not necessarily a member of the Giant race, Joyboy’s stature still stands out thanks to one key flashback and a certain choice relic he leaves behind. But it ultimately still leaves One Piece fans asking more questions.
Joyboy’s Latest Appearance Leaves Little Room for Doubt of This One Piece Theory
No Longer Simply a Tall Tale?
In the preview for One Piece episode #1153, among brief glimpses of the Straw Hats’ continuous struggle to retreat from Egghead, there are tiny glimpses of Emet’s flashback with Joyboy. This includes a scene with the two in very close proximity, highlighting just how large Joyboy is compared to other humans or humanoids in One Piece.
For context, Emet’s height is triple that of an average Giant of the era, approximately 60 meters tall, more closely resembling the Giants of the Void Century. While Joyboy’s neither the size of a Giant, nor bears the physical mass of a Buccaneer, he’s roughly 10-11 meters tall as shown by his relative height matching that of Emet’s head.
By comparison, in both the anime episode #1097 and manga chapter #1067, when Luffy is seen standing atop Emet’s lifeless head, he’s noticeably tiny. However, there’s still plenty of mystery surrounding the rest of Joyboy’s physiology.
One Piece Still Has Plenty of Secrets About Joyboy
Emet Seemed Convinced Luffy Was His Ancient Friend
Naturally, Emet returning to the fight while meeting Luffy in his Gear 5 mode triggered his memories of Joyboy in episode #1152. But rather than simply saying he was the spitting image, Emet was certain the vision of Nika before him was Joyboy himself.
Theories continue to persist, meanwhile, due to this silhouetted image both in the anime and manga possibly concealing a peg leg. Due to Oda’s propensity for drawing skinny legs, this could be a mere speculation for now. This also applies to the possibility, however strong, that Joyboy is finally confirmed as the eyepatch-wearing pirate Oda once alluded to.
These are superficial details of a stereotypical pirate image, whereas fans could be fixating on what Joyboy represents.

