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. Two years after, he tried to stop the Straw Hat Pirates from reuniting, only to fail.

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

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