Better known as Tin Tan, was an actor,singer and comedian who was born in Mexico City but was raised and began his career in Ciudad Juarez, Chihuahua. He often displayed the pachuco dress and employed pachuco slang in many of his movies, some with his brothers Manuel "El Loco" Valdésand 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.

Germán Genaro Cipriano Gómez Valdés y Castillo (Ciudad de México, 19 de septiembre de 1915 Ib, - 29 de junio de 1973), más conocido por su seudónimo "Tin Tan", fue un actor, cantante y comediante de la época del cine de oro mexicano.