Original: Pedro Antonio Marín Marín (May 13 1930 [disputed] El Mundo: El viajo guerrillero y su delfin - March 26, 2008), known by his "nom de guerre" Manuel Marulanda Vélez, was the main leader of the FARC-EP ("Fuerzas Armadas Revolucionarias de Colombia - Ejército del Pueblo").
Simplified: He was the main leader of the FARC-EP ("Fuerzas Armadas Revolucionarias de Colombia - Ejército del Pueblo").