Rob Lucci is a prominent antagonist in the anime series One Piece, known as the strongest member of the secret government organization Cipher Pol No. 9 (CP9). He is a ruthless and highly skilled assassin, possessing the ability to transform into a leopard due to his mastery of the Zoan-type Devil Fruit, Neko Neko no Mi, Model: Leopard. Lucci is infamous for his cold demeanor and unwavering dedication to justice, as defined by the World Government. His primary role in the series is as a formidable adversary to the Straw Hat Pirates during the Enies Lobby Arc, where he battles Luffy in a dramatic showdown.