Fernando Montes (February 14, 1974) is a Mexican luchador, or professional wrestler, best known under the ring name Oficial Fierro. As Oficial Fierro he is part of a group called Los Oficiales that has worked for International Wrestling Revolution Group (IWRG) since 2007. The team held the record for the longest reigning Distrito Federal Trios Champions and are the most successful holders of the IWRG Intercontinental Trios Championship, holding it longer than any other trios team and having defended it more times than any previous champions have. Fierro is Spanish for Iron. He previously wrestled as Mercurio and El Millonario but achieved more success as Ultra Mega, part of Los Megas in IWRG where he held several championships. Oficial Fierro's real name was not a matter of public record,