Juan Antonio Ipiña (Tontxu) (Bilbao (Spain), August 17, 1973) is a Spanish singer-songwriter. 　　He worked in the radio station "40 Principales" in Bilbao. Later, he went to Madrid where he started to sing in the café Libertad 8. There he met Rosana Arbelo, Andrés Molina, Rogelio Botanz, and Paco Bello.