Germán Valdés (September 19, 1915 - June 29, 1973), better known as Tin-Tan, was a Mexican actor, singer and comedian who was born in Mexico City, but grew up in Ciudad Júarez, Chihuahua. He often displayed the pachuco dress and employed pachuco slang in many of his movies, some with his brothers Manuel "El Loco" Valdés and Ramón Valdés. He made the language of the Mexican American Pachucos famous in Mexico. A "caló" based in Spanglish, it was a mixture of Spanish and English in speech based on that of Mexican immigrants.

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