Many pirates in One Piece, including those tied to some of the biggest crews, used to be employed by the World Government.

One Piece often writes characters in and out of the storyline. A lot of characters' stories are often followed up, either ...

Some pirates in One Piece act as double agents ... were fundamentally better people than most World Nobles, his brother Doflamingo was far more distraught by his birthright being ripped away ...

Additionally, as far as One Piece fans currently know ... One final potential parallel could be Sugar of the Doflamingo Pirates. She’s presented as a child who doesn’t age due to the effects ...