"Pirate Empress" Boa Hancock is the captain of the Kuja Pirates and was the only female Warlord of the Sea before the organization's disbandment. She is the current empress, known as the "Snake Princess", of Amazon Lily and rules over the Kuja tribe with her two younger sisters, Boa Sandersonia and Boa Marigold. She is also known as the most beautiful woman on earth.