Crocodile is the former president of the mysterious criminal union Baroque Works and the main antagonist of the Alabasta Saga.He is one of the oldest primary opponents in the series, as well as the first enemy to give Luffy a complete and utter defeat.He is originally introduced as a Shichibukai, but was later stripped of his title after trying to take control of the desert kingdom, Alabasta.Thanks to Luffy, he managed to escape Impel Down and went to Marineford to participate in the war.After that, he and Daz Bones decided to go to the New World.