Carlos Mario Jiménez Naranjo aka "Macaco" or Javier Montañez (born February 26, 1966) is a Colombian former drug lord and paramilitary leader. Jimenez was a member of the United Self-Defense Forces of Colombia (AUC) paramilitary group which demobilized between 2005 and 2007. Jimenez ordered the assassination of numerous people in the region of the Santander and North Santander specially in the city of Barrancabermeja where his organization confronted and defeated the National Liberation Army (ELN) for the control of the territory. Jimenez was the commander in chief of the Central Bolívar Bloc of the AUC.