Violet was one of the (former) antagonists of Dressrosa series and later one of the supporting characters in One Piece. Viola is formerly an assassin and officer from the Trebol's Army division of the Donquixote Pirates, the younger sister of the late Scarlett, Rebecca's aunt, the sister of law of Kyros, and Riku Matriarch and King Riku Dold III's daughter, thus making Viola the second crown princess of Dressrosa — becoming the heiress to the throne after Scarlett faked her death — before her fa