Coribou

"Blood-Splatterer Coribou" (返り血のコリブー) is a pirate captain famous for killing marines who was at the Sabaody Archipelago around the time of the Straw Hat Pirates' reunion. He, along with his brother "Wet-Hair" Caribou, another infamous rookie, joined the Impostor Straw Hat Pirates. He has a bounty of 190,000,000, making him part of the new generation of rookies, following in the path of Luffy and the other Supernova over 100,000,000.

First Appearance: Chapter 600

(Source: One Piece Wiki)