shichibukai
A group of seven pirates allied with the world government in One Piece. The roster has fluctuated as the story has progressed, but there's never more than seven at the same time.
Current Members:
Bartholomew Kuma
Boa Hancock
Buggy the clown
Donquixote Doflamingo
Dracule Mihawk
One unknown.
Former Members:
Gecko Moria
Jimbei
Marshall D Teach
Sir Crocodile
Trafalgar Law