After Nicho left CMLL the "La Famila" group was disbanded and instead Damián 666 and Halloween was made part of a new super group that was forming, Los Perros del Mal, led by Perro Aguayo, Jr.. In December, 2005 Halloween injured his neck and knee, forcing him out of the ring while he recovered. During Halloween's injury Damián 666 began teaming regularly with fellow Perros del Mal member Mr. Águila. When Halloween returned the trio of Damián 666, Halloween and Mr. Águila defeated Máximo, El Sagrado and El Texano, Jr. for the Mexican National Trios Championship. The trio lost the championship to El Sagrado, La Sombra and Volador Jr. in August 2007 after which Halloween left CMLL. Damián 666 remained in CMLL and remained with Los Perros del Mal ending the 8-year run as Mexico's Most Wanted. In June 2008, Damián 666 was backstage at the World Wrestling Entertainment PPV One Night Stand and worked a tryout match later on. It was reported that the WWE considered offering Damián 666 a contract but nothing came of it.