Vegapunk’s recorded message actually does reveal quite a bit about Joy Boy, but the one thing he was “about to say” and got cut off is still intentionally hidden by Oda and open to interpretation.
What Vegapunk Already Said
Vegapunk explains that Joy Boy was a real historical figure from the Ancient Kingdom, not just a legend. He states that Joy Boy was effectively the first person to be called a pirate and led a powerful faction that fought against the 20 kingdoms that became the World Government, ultimately losing and bringing the Void Century to an end.
The Cut Off “Joy Boy is his—”
Near the end of his broadcast, Vegapunk begins a line that goes “Joy Boy is his —” before the transmission is cut, leaving the rest unheard. The story has not yet clarified what that unfinished sentence was going to reveal, but its timing strongly suggests it was a major link between Joy Boy and a specific person or bloodline.
Main Fan Theory About That Line
The most popular interpretation is that Vegapunk was about to say something like “Joy Boy is his heir” or directly name Monkey D. Luffy as the current Joy Boy, which is why the broadcast was interrupted at that exact moment. However, in the official story as of now, this remains a theory; the manga and anime have not explicitly stated the completed sentence.
