Franky, once known as Cutty Flam, serves as the cyborg shipwright of the Straw Hat Pirates. Abandoned by his pirate parents in childhood, he was taken in by Tom, the legendary builder of Gol D. Roger’s ship, who honed his shipbuilding prowess. Following Tom’s execution by World Government agents hunting Pluton’s blueprints, Franky rebuilt his mangled body with scrap metal after a sea train collision, emerging as a cola-fueled cyborg. He later led the Franky Family, dismantling ships in Water 7 until clashing with—and eventually joining—the Straw Hats to rescue Nico Robin at Enies Lobby. There, he forged the Thousand Sunny from Adam Wood, mirroring Roger’s vessel, cementing his dream of crafting a ship worthy of global circumnavigation. Adopting "Franky" permanently to shield his identity, he integrated weapons, enhanced strength, and cola-driven systems into his body. Post-timeskip upgrades via Dr. Vegapunk’s designs granted him hair manipulation, fortified armor, and the Radical Beam. At Fish-Man Island, he uncovered Bartholomew Kuma’s two-year vigil over the Thousand Sunny, highlighting his bond to the crew’s legacy. His inventions, including the General Franky mecha, proved pivotal in defeating the New Fish-Man Pirates. Later arcs saw him infiltrating Dressrosa’s weapon factories and adapting Wano’s culture to strategize against Kaido. Franky’s past—marked by defiance against authority and personal tragedy—fuels his loyalty to the crew and his craft. His eccentric humor and tactical ingenuity balance his role as both combatant and innovator, evolving from a solitary rebel to a cornerstone of the Straw Hats, embodying resilience through mechanical genius and unyielding camaraderie.