Silhouette

Silhouette (シルエット Shiruetto) is the infamous captain of the Underworld Pirates, with a bounty of 280,000,000. He is the user of the Kage Kage no Mi.

Devil Fruit
Silhouette has eaten the Kage Kage no Mi (カゲカゲの実), a Paramecia-class Devil Fruit that allows him to control shadows as a tangible material.