Caribou, nicknamed "Wet Haired", is one of the captains brothers of the Caribou Pirates. Two of the new rookies with a rewards higger than 100.000.000 Berries that arrived at Sabaody Archipelago. Both are known for their extreme sadism and killing countless Marine officers. Caribou is a religious fanatic who has the habit of burying people alive. He originally intended to join the Straw Hats to destroy them from inside and this way earn reputation, but he found that the crew they joined where fake, so they eliminated them. Despite the disappointment, he didn't give up and pursued the true Straw Hats on their way to Gyojin Island. When Caribou Pirates were to assault the Thousand Sunny, just Caribou achieved to aboard it, staying alone and being taken prisoner. He now travels with the Straw Hats waiting for a chance to finish them.

Coribou, nicknamed "Blood Splatterer", is one of the captains brothers of the Caribou Pirates. Two of the new rookies with a rewards higger than 100.000.000 Berries that arrived at Sabaody Archipelago. Coribou is a confused man who always ends up looking in the wrong direction at the wrong time. Despite being a crew captain himself, he seems to follow the his "auxiliary brother" (as he calls him) orders, being always in charge of digging the graves for their victims. Coribou used a powerful Gatling gun for fight.