Nicknamed the Sea Weasel, Nero was the freshest recruit of CP9, assigned to help move Nico Robin toward Enies Lobby. He clashed with Franky aboard the Puffing Tom during the Water 7 Arc, and his incomplete training led to a brutal dismissal from the unit.
Nero is a slim, pale figure dressed in a brown T-shirt, orange trousers, ornate shoes, and a hat topped with a red plume. He wears two necklaces, one a plain string of green beads and the other a heavier piece strung from linked red gems, along with a single glove worn on the left hand and a set of wrist bracelets. His hair is distinctive, with a bald crown split by three mohawk-like ridges.
The standard CP9 conditioning left Nero composed and level-headed, as seen in his easy banter with Franky mid-fight. He is hardly emotionless, though, flashing anger when deceived, dread when pain looms, and irritation at Franky's antics. Compared to his colleagues he is softer, falling for Franky's bait when asked to glance behind himself. Underneath the calm sits a streak of conceit, as he assumed that mastering four of the six fighting forms placed him among the genuine CP9 elite. When Rob Lucci cast him out under a death threat, that bravado collapsed into terror and a doomed dash for escape.

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Though weak set against the fully trained CP9 operatives, Nero was sharp-witted, working out that intruders on the Puffing Tom would cross the train roofs to reach Robin's car and quickly noticing that Franky could be hurt from behind. His Rokushiki schooling was unfinished, so he commanded only four of its skills: the speed step Soru, the aerial Geppo, the evasive Kami-e, and the air-blade Rankyaku. Lacking Tekkai and Shigan, he could neither absorb heavy blows nor pierce enemies, so he leaned on dodging and traded finger stabs for a pair of derringer flintlocks. He had even developed one variant of Rankyaku.
Against Franky he scored early hits by targeting the cyborg's unguarded back, yet Franky eventually pinned him with his transformed legs and smashed him through the car roof with Ultimate Hammer. Kicked into the next car where the rest of CP9 waited, Nero vowed to kill Franky, but Lucci, needing the target alive, judged him worthless to the team. Given three seconds to flee, Nero was overtaken and run through repeatedly with Shigan, then cast into the raging Aqua Laguna while Kalifa drafted the report expelling him.
Nero, nicknamed the Sea Weasel, is the freshest recruit of CP9 in One Piece. He was assigned to help move Nico Robin toward Enies Lobby and clashed with Franky aboard the Puffing Tom during the Water 7 Arc.
After failing to defeat Franky aboard the Puffing Tom, Nero was declared worthless by Rob Lucci and given three seconds to flee. He was caught, run through repeatedly with Shigan, and thrown into the raging Aqua Laguna, which led to his death.
No, Nero is not shown to have a Devil Fruit. His fighting ability instead comes from an incomplete Rokushiki training, covering Soru, Geppo, Kami-e, and Rankyaku, backed up by a pair of derringer flintlocks.
Nero commands four of the six Rokushiki skills: Soru, Geppo, Kami-e, and Rankyaku, including one variant of Rankyaku he developed himself. Because his training never covered Tekkai or Shigan, he leans on evasion and a pair of derringer flintlocks in combat.
Nero was expelled from CP9 after Rob Lucci judged him useless to the team, since Robin needed to be captured alive and Nero's incomplete training left him unable to finish off Franky. Lucci gave him only three seconds to escape before having him killed.
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View on FandomThis content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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