William Arturo Muñoz González (born September 29, 1988) is a Mexican luchador, recognized by his ring persona Rush. He is presently affiliated with All Elite Wrestling (AEW), where he holds the leadership role in La Facción Ingobernable. Muñoz González garnered significant acclaim for his performances in the Mexican professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL) and the U.S.-based Ring of Honor (ROH).