Maybe ( I'm not sure ), Joyboy is in the same family with the king of Acient Kingdom. When twenty kingdoms ally to defeat Ancient Kingdom, all of his family got executed. But he luckily alive and go to the sea, get all of his family asset on Laugh Tale and, you knew that, bro.

Bruh I haven't caught up yet

Is that fifth gear it looks sick

That's fifthe gear, are you new to One Piece?

No just got past timeskip

Ok