Mobanby

Red hair tied into an upward-pointing ponytail crowns Mobanby, and a scar crosses his chest. His island clothing is sparse: a beige loincloth, an armband, and a locket that holds a portrait of his father. In an earlier life, before he washed ashore, he dressed in a blue shirt with matching pants.

Warmth defines the boy, who frets over Chopper whenever the reindeer puts himself at risk and rallies the island's residents to save their new ruler. His father's death, the same event that scarred his chest, once left him terrified of combat. That terror gave way to bravery the day he saw Battler injure Chopper and chose to fight back.

Mobanby and his father, M. Danbo, were once sailing by boat when pirates, later shown to be Battler, set upon them. The raid killed his father and carved the scar into his chest, abandoning the boy for dead. Adrift on the sea, he drifted onto the coast of O-Kan Island, where the animal king Kirin Lion found him and raised him as a son.

Years afterward, with Kirin Lion having passed, Mobanby took Chopper, who tumbled down from a cliff, to be a king sent from the heavens and the island's next animal ruler. Even once that proved untrue, and even when the other creatures deserted Chopper, the boy kept aiding him. That loyalty earned him the crown as O-Kan Island's fresh animal king after Battler fell. Though weak enough that he could barely wound Battler with his fists during their clash, his resolve saw him through. He later turns up in a cameo within the One Piece School spin-off.