The Charlotte Decuplets are ten siblings born to Big Mom in a single delivery, her largest ever, made up of five brothers and five sisters who all serve as officers in the Big Mom Pirates. They fight as a unit on Cacao Island and can even merge into one giant scythe-wielding figure.
Among the five brothers, four share an ordinary build while Newshi looms noticeably bigger than his siblings. Purple hair falls to their necks in slightly varied cuts, and each has tiny beady eyes above a button nose. Their outfits pair pink suits with red shirts and bowler hats colored red, yellow, green, lilac, and blue, with yellow ties on several of them; the manga instead gives them bow ties at Cacao Island.
The sisters follow the same template, with four of average stature and Harumeg standing much taller. Long brown hair distinguishes them through different styles, from a top knot and an afro to braids, bunches, and a loose fall, each finished with a pink bow. Pink dresses, colored bow ties, white gloves, pink-and-white striped leggings, and reddish heels round out the look, though Nutmeg breaks the pattern in a crop top and shorts.
Devotion to family and crew defines the whole group, seen when they answered the call to their mother's enraged forces, bent on avenging their slain brother Cracker, and later marched under Oven to corner the Straw Hats. The brothers lean toward a cooler, business-minded outlook, with Newshi questioning whether such a massive force was even needed, while the sisters proved livelier, treating the Cacao Island operation almost like a festive outing.
All ten idolize Katakuri, so much so that Allmeg cracked one of her brothers on the head merely for floating the idea that Luffy might beat him. Once Luffy actually did defeat Katakuri, the siblings turned vengeful as a body. A streak of cruelty runs through several of the brothers, who whooped while battering Luffy and brutalized Pekoms.
Their officer rank within the Big Mom Pirates grants every decuplet command over the crew's lower ranks. Newshi swallowed the Gocha Gocha no Mi, a Paramecia fruit that lets him fuse with his nine siblings into a towering, lanky giant wielding an oversized scythe, a transformation they unleashed against the Vinsmoke children. Several of the brothers also move through the air using Geppo, and the anime shows all ten taking flight.
For weapons, each carries a scythe tipped with two spikes, sturdy enough that one brother cracked the ground by slamming it down. Guns and bazookas appear in their hands as well, mainly in the anime. They share a sequential attack, named for counting one through five, in which the brothers strike an enemy one after another in birth order.

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The Charlotte Decuplets are ten siblings, five brothers and five sisters, born to Big Mom in a single delivery, her largest ever, and all serve as officers in the Big Mom Pirates.
Charlotte Newshi ate the Gocha Gocha no Mi, a Paramecia fruit that lets him fuse with his nine Decuplet siblings into one towering figure wielding an oversized scythe.
The Charlotte Decuplets each carry a scythe tipped with two spikes, and the anime also shows several of them fighting with guns and bazookas.
The Charlotte Decuplets idolize their brother Katakuri, and once Luffy defeated him the entire group turned vengeful as a body.
The Charlotte Decuplets march to Cacao Island under Oven to ambush the Straw Hats, later using their sequential attack and Newshi's fusion ability against the Vinsmoke children.
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