Oscar Mulero, born Oscar Mulero Crecente, is a techno producer and DJ from Madrid, and the owner of contemporary record labels Warm Up Recordings and Pole Group Recordings. He was also the founder of The Omen Club in Madrid, often considered the start of his professional career. His album from 2012, Black Propaganda, received largely positive reviews in the online techno community. He is the major influence for the Spanish electronic scene since the early 1990s and a leading exponent of underground techno since his productions in the early-2000s. Oscar Mulero is considered one of the best techno DJ and producer of history.