Mario Onaindia was born on January 13, 1948 in Bilbao, Vizcaya, País Vasco, Spain. He was a writer and producer, known for Cómo levantar 1000 kilos (1991), Los unos y los otros (1994) and El primer café (1996). He died on August 31, 2003 in Txagorritxu, Spain.