Nicholas C. Thanatos (ニコラス.シ.タナトス Nikolas Shi Tanatosu) now known as Nick C. Thanatos, is a pirate who hails from South Blue's Karate Island. After encountering solitary Captain Di Roy, he joined up with him as an honorary member of the Phantom Pirates, as its Helmsman, Martial Artist and First Mate respectively. Due to his encounter with the CP9, evasion of their grasp, and subsequent battle with Rear Admiral Algar Delroy, and repelling against the Buster Call designated against Karate Island, he was delegated with a bounty of File:Bsymbol.gif85,000,000. He is also the younger brother of Heather C. Thanatos, and is gaining power while searching for her to ultimately fulfill her dream of being ended by his hand.