Yonko (Zeon1)

The Yonko (四皇) are the four most-powerful pirates in the Zeonverse, each ruling over a section of the New World. Fitting their position, they are major characters in Proud Line.

Members of the Great Powers, neither have any overt alliance with the others, preferring to stick to their own territories and accompanying problems (Lugh being an exception in the making). This lack of antagonism between both themselves and the World Government is a vital part of keeping the world stable. Each of the regions they rule over are noticeably different, with unique customs and social structure, generally associated with the pirate in question's crew. Often referred to as the Four Empires (四帝国), they make up most of the area in the Grand Line's second half, though some areas have slipped through the cracks.

They act as important characters within the series.