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In all the world, Riddle (Riddle , Риддл, リドル) is a very rare gender-neutral given name. The forename Riddle is habitual in Vietnam, where it is a very rare male name, the United States, where it is an extremely rare dominantly boy's, but uncommonly female name, and China, where it is an extremely rare epicene name. Much more frequently, Riddle is the last name as well as the forename.
Riddle is also a name for the fictitious and mythical characters: .