Zero (ゼロ, Zero) is the final boss in The King of Fighters 2000. He is one of the higher-ranked agents of "NESTS", a fictional organization that desired to take over the world and the clone to Zero. In the developer's comments section on the King of Fighters anniversary site, KOF series's producer, C.A.C Yamasaki, admits basing Zero's design off a certain character from the manga Fist of the North Star.