Heres the order of whos the strongest and heres my reasoning for it. No disrespect to the other 2 guys that responded to this question but theyre flat out wrong. Monster King Orochi By Yusuke Murata Art Artwork Monster In public king is known as the strongest man on earth chijo saikyo no otoko and the heroes hero. One punch man king orochi . Of course boros was the strongest opponen. 6 c possibly low 6 b. Monster king orochi kaijin o orochi also called lord orochi orochi sama is a dragon level mysterious being and the leader of the monster association. Mastar media 1229193 views. Saitama meets monster king orochi. Orochi is among the best villains in one punch manalso known as the monster king he is one of the primary antagonists of the human monster saga. Orochi also known as the monster king is a major antagonist in the mangaanime series one punch man serving as one of the main antagonists in the human mons