Henzo

Henzo (ヘンゾ) is a research scientist and was at first researching for the Rainbow Mist. He lost his childhood friends Rapanui, Isoka, Akibi, Longo and Pukau due to a pirate invasion by Whetton 50 years ago, and his attack knocking the pirate captain off of the ship that was heading into the Rainbow Mist. At modern times, he helps propel his friends from the Rainbow Mist to the time period 50 years ago, with the help of the Straw Hat Pirates.

He rides a boat that he designed called the 1-1-1.

Trivia
He is voiced by Yuichi Nagashima in the Japanese version, who would later go on to voice Brook.