The Caribbean Boy is a character who appeared on the Royalty Valhalla
He was the first kid to meet Lisa, as he wanted her to help him study the effects of the rising ocean acidity. He was friendly to Lisa when he met her, as were the other kids of various nationalities too.
Bart caused a mass panic on the ship, using a scene from the movie "Pandora Strain". Eventually, everyone onboard found out and turned against the Simpson family. He has not reappeared since this episode.
The Caribbean Boy wears long blue pants, a red collared shirt, a white lab coat over shirt, and brown sandals. He has dark brown hair in dreadlocks and speaks with a Caribbean English accent.