Unfortunately, there is no definitive answer to this question. The character of Joy Boy in the One Piece world remains shrouded in mystery. We know very little about him, including his appearance.
Here's what we can infer:
- Joy Boy was a historical figure: He lived a very long time ago, possibly centuries before the current storyline.
- He was a powerful individual: His actions left a significant impact on the world, as evidenced by the "Joy Boy's Promise" and the events surrounding the ancient kingdom.
- He was likely a human: While there's no explicit confirmation, the story suggests Joy Boy was a human, not a Devil Fruit user or a member of a mythical race.
While his appearance is not explicitly revealed, we can draw some tentative conclusions based on the limited information available:
- Joy Boy was likely a charismatic leader: His legacy suggests he was a figure of great influence and inspiration, implying he possessed a strong personality and perhaps a commanding presence.
- His appearance may have been tied to his role: Considering his importance in the world's history, it's possible his appearance was distinct or memorable, perhaps even symbolic.
Overall, the mystery surrounding Joy Boy's appearance adds to the intrigue of his character. Hopefully, the One Piece story will eventually provide more concrete details about this enigmatic figure.