El Hefe, the guitar player for the punk band NOFX, derives his nickname from El Jefe
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"El Jefe" is a less-common nickname for former Cuban President Fidel Castro (deriving from his title as Comandante en Jefe or "Commander-in-Chief" of the Cuban Armed Forces)
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Rafael Trujillo, former dictator of the Dominican Republic, was nicknamed "El Jefe"
In 2003 led by America 2, the program Cómplices y testigos and 2005 starred in the sitcom ¿Quién es el jefe? with Gianella Neyra and Nicolás Vázquez.
Barocas' adoption of various stage-names caused some confusion at the time; he used the monikers Jim Schortz, El Jefe and even borrowed the name of the Japanese actor Takashi Shimura.