John Alderete
AKA: Juan Alderete de la PeñaBirthday: 1963-09-15
Birthplace: Los Angeles, California, U.S
Juan Alderete de la Peña (born September 5, 1963) is an American musician. He is best known as the longtime bassist of Racer X and for his tenures in the Mars Volta and Marilyn Manson.