Héctor Picasso Ríos (born October 19, 1983 in Monclova, Coahuila, Mexico), better known under the ring name Guerrero Negro Jr., is a Mexican luchador, or professional wrestler, best known for working for the Mexican professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL) portraying a rudo ("bad guy") wrestling character. He is a second-generation wrestler, son of "Guerrero Negro II" and nephew of "Guerrero Negro III".