Big Sir is Juan Alderete's what?
Juan Alderete Juan Alderete de la Peña (born September 5, 1963) is a Mexican-American musician, best known as the longtime bassist of Racer X and The Mars Volta.
Juan de Almoguera Juan de Almoguera, O.SS.T. (February 18, 1605 – March 2, 1676) was a Roman Catholic prelate who served as Archbishop of Lima (1673–1676) and Bishop of Arequipa (1659–1673).