The Star Sword King

Pluto Batou is the captaion of the 2nd Division of the Harusame pirates. He is known as the best swordman in Harusame with the title "The Star Sword King." He was said to be able to rival Kamui with a sword in his hand.

He possess an eye that can read through his opponent's mind, movement, and even past.

(Source: Gintama Wiki)