Riku Dold III
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Information
Riku Dold III is the former king of Dressrosa before he was dethroned by Donquixote Doflamingo. He entered the Corrida Colosseum to compete for the Mera Mera no Mi under the alias of "Ricky". He is the father of the late Scarlett and Viola, and is the grandfather of Rebecca.
(Source: One Piece Wiki)
