Niji Vinsmoke is the second son of Judge and a prince of the Germa 66 army in the anime and manga series One Piece. Known as "Dengeki Blue," he possesses enhanced strength and speed due to genetic modifications. Niji is characterized by his arrogance, cruelty, and loyalty to his family’s ambitions. He often looks down on others, especially his younger brother Sanji. Niji plays a significant role during the Whole Cake Island Arc, being involved in the political marriage between Sanji and Charlotte Pudding.