In the One Piece universe, the Yonko are the four most powerful pirates who rule over the New World, the most dangerous part of the Grand Line. The term "Yonko" means "Four Emperors" in Japanese. The Yonko are considered to be the most notorious and powerful captains in the world. They are known for their powerful crews and strength to dominate the seas. The current four Yonko in One Piece are Monkey D. Luffy, Blackbeard, Shanks, and Big Mom. They are considered to be the strongest pirates in the world and have the highest bounties in the One Piece world. The Yonko are a great threat to the World Government and are feared by the Navy. They are some of the strongest characters in the entire world of One Piece and much of that is down to their powerful Haki.