Arlong

Arlong the Saw (ノコギリのアーロン Nokogiri no Āron?) [2] is the pirate captain of the all fishman crew, the Arlong Pirates, a former member of the Sun Pirates, and the older brother of Madame Shirley. He is known for being the main villain in the Arlong Arc and had the highest bounty in East Blue before being defeated by Luffy