Cien Caras Jr.'s real name is not a matter of public record, as is often the case with masked wrestlers in Mexico where their private lives are kept a secret from the wrestling fans.
While he later competed as "Cien Caras Jr." he started his wrestling career using the name Sheriff, working mainly in and around his native city of Guadalajara, Jalisco, Mexico.
[3] Los Junior Dinamitas quickly came to the defense of IWRG, wrestling against Silver King and other AAA representatives such as Alex Koslov, Chessman and Cibernético.
[10] The team would hold the titles for 177 days, until May 27, 2012 where they lost to La Familia de Tijuana (Damian 666, Headhunter A and X-Fly).|[11] Los Capos Junior, in this case Hijo de Máscara Año 2000 and Cien Caras Jr., participated in the 2012 Gran Legado ("Great Legacy") tournament, but lost to the father/son team of Pirata Morgan and Hijo de Pirata Morgan.|[12][13] He also worked a number of shows for Hijo del Santo's Todo X el Todo promotion, often teaming up with his storyline father Cien Caras, at times working against Cien Caras' rival Rayo de Jalisco Jr. and his son Rayman including a match for the vacant WWA Tag Team Championship.
[14] The team would hold the titles for 177 days, until May 27, 2012 where they lost to La Familia de Tijuana (Damian 666, Headhunter A and X-Fly).
[22][23] A week later Los Junior Dinamitas wrestled Trauma I and Negro Navarro for the IWRG Intercontinental Tag Team Championship, but lost.
[24] On January 26, 2014, Caras Jr. lost the IWRG Intercontinental Heavyweight Championship to Vampiro Canadiense, ending his nineteen-month reign.