Daiki Fukui (大輝旨い, Daiki Fukui) also knows as Lightning Devil (雷光魔 Raikouma) due to his devil fruit and by the fact that before joining the Black Hair Pirates have killed thousands of people as a famous assassin. During the timeskip aiki joined the Jiro in the Alliance he formed caled the Rengougun, due to being fairly young and have an innocent appearance when Daiki kills someone he gets with the dark eyes and nobody recognizes him..