: It is revealed that Momonosuke is not Kin'emon's son but is actually the heir to the Kozuki Family and the daimyo of Kuri.
: He mentions hearing a mysterious voice calling to him from within the island, an ability his father, Oden, also possessed. One Piece (Dub) Episode 768
: His appearance is a "troll" for the crew; instead of a stereotypical sleek ninja, he is stocky and caricature-like, disappointing the boys’ expectations. : It is revealed that Momonosuke is not