Jack Frost

Jack Frost (フロストジャック, Shimo Jakku) is a pirate who's past is shrouded in complete mystery. At some point he was thrown into where he was sentenced to ten years. Daddy L. Legs, a Yonko, heard of this sentencing and of Jack's, took it upon herself to personally break into Impel Down. The pirate was forced to join her crew, where he became a member of the Black Widow Pirates as a Shichifukujin.