Samuel Sark

Unofficial Samuel Sark, also known as Fangs Sark, or simply "Fangs", is a world-renown one-man army Pirate and Underworld Broker who operates on his own private ship fortress, the Shark Fortress, which is recorded as one of the largest ships ever created, often mistaken for an island as a result. He is known for having consumed the Maki Maki no Mi, which greatly augmented his skills as a shipwright, resulting in him gaining the title of the World's Greatest Shipwright (世界最大の船大工, Sekai Saikō no Funadaiku), creating astounding machinery and gadgets for his own ends.

Sark, or "Shark", as he is often nicknamed, mainly operates in the New World, dealing primarily in his buisness of selling powerful weaponry for large sums of money to any pirate, or even Marines, including creating his own private army of Pacifista-like machines he names "Shark Soldiers". Currently, he is considered one of the most powerful individuals in the world due to his own power and influence as a result of his shady buisness.

Trivia

 * Sark is named after "Samuel Pett" and the "Cutty Sark".