Sentomaru

Sentomaru (戦桃丸, せんとうまる) is a marine officer assigned to Marine HQ. He was once the bodyguard of scientist Vegapunk. At the Sabaody Archipelago, he was able to defeat the Straw Hat Pirates with ease using his Color of Arms Haki and Pacifista. He tried to stop the Straw Hat Pirates from reuniting two years after only to fail.

Role in Games
In the second game's story, Sentomaru first pursues the Straw Hats alongside Garp after spotting a suspicious dial on Luffy's character. Jimbei then assists by surprising Sentomaru's troops forcing to him to alert Kizaru.

Later on, the Teach Coalition brainwashes Sentomaru into attack the Marines stationed on Drum Island. Kizaru has no choice but to fight him. Eventually, the Straw Hat-Whitebeard Coalition eventually beats the Marine back to his senses.

Personality
Sentomaru proudly calls himself the "world's best" guard.

Quotes

 * See also: Sentomaru/Quotes

Fighting Style
Using the Color of Arms Haki, he can deliver serious slaps to pierce even rubber humans like Luffy.

Trivia

 * Sentomaru's moveset is partially borrowed from Jinbe.
 * In the third installment, the coat from his post-timeskip version does not appear on Sentomaru's person during a Dream Log stage, despite appearing during the first post-timeskip chapter.