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In 2000 Escalante's brother made his professional wrestling debut, working under the name Polvóra ("Gunpowder"), which lead Vaquerito to leave the Mini-Estrellas division and work as simply "Vaquero" ("Cowboy"). The brothers mainly worked as a tag team on the Mexican independent circuito Vaquero also helped train his cousin (later known as Super Nova) for his professional wrestling career around 2002. By 2005 both Pólvora and Vaquero began working for Consejo Mundial de Lucha Libre (CMLL), mainly on the promotions minor shows or in the opening match of their big shows from Arena México. In early 2008 Vaquero got involved in a storyline against Metal Blanco, that escalated until the two met in a Luchas de Apuesta match where Vaquero risked his hair and Metal Blanco risked his mask. The match took place on April 5, 2008 and saw Vaquero lose both the match and his hair. On June 22, 2008 Pólvora and Vaquero participated in a tournament for the vacant CMLL Arena Coliseo Tag Team Championship, but lost in the opening round to Mictlán and Fabian el Gitano. The two brothers teamed up with mixed success from 2005 until mid-2008.