 Castillo made a return to WWC in 2006 and formed a tag team with Chris Joel, and has held the WWC World Tag Team Championship as a member of the Starr Corporation.He has formed a tag team with Rico Suave and formed "La Evolucion Hardcore" (or The Hardcore Evolution) due to the hardcore wrestling style of these two wrestlers.In November 2012, he is wrestling in Puerto Rico's PRWA as he is the general manager of PRWA and the current PRWA World Heavyweight Champion, having defeated Joseph RPM in the finals.