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All over the world, Ruíz (Ruiz , ルイス , Ruíz ) is quite a rare unisex given name. The forename Ruíz is habitual in Latin America and the Caribbean, particularly Guadeloupe, where it is quite a common feminine name, Guatemala, where it is quite a rare gender-neutral name, and Panama. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Philippines, and Guatemala. More frequently, Ruíz is the last name as well as the forename.
Ruíz is also a prevalent name for the fictitious and mythical characters: Colonel Luis Tamayo , the character in « Money Heist », a member of the Spanish Intelligence that oversees Alicia's work in the case; Louie , the The Simpsons character; Louis Tully , the fictional character from the Ghostbusters franchise; Luis Fernando Lopez , the protagonist of the 2009 expansion pack Grand Theft Auto: The Ballad of Gay Tony, Grand Theft Auto: Episodes from Liberty City and Louis de Pointe du Lac , the fictional character created by Anne Rice, The Vampire Chronicles, and in many other works.