Steelics J. Stefan (鋼ステファン, Hagane J. Stefan) or other wise known as his alias the Dogū (土偶, Dogū?) is the third strongest member of the Sichiyozoku and is believed to be their secret weapon whenever it comes to fighting anyone. However, originally Steelics was a marine with a rank believed to be either a captain or commodore; he was placed in charge of a special division that specialized in front line combat. Because of his structure and the fact that he is basically an unmovable creature. Steelics is believed to have been a successful experiment done by Vegapunk in order to make soldiers and marines that could use a battle suit like form in order for them to win even against a devil fruit user.