At Hardcore Weekend, González lost a coal miner's match to Banderas, avenging this lost the following week. La Familia continued its feud against La Cruz del Diablo and La Compañia, rounding a record of 2–1. On December 12, 2005, he unsuccessfully challenged Kindred for the Hardcore Championship. González closed the year by defeating Figueroa at Christmas in PR. On January 6, 2006, he defeated Vega in a "loser leaves IWA" match. For the following month, he feuded with Figueroa, Kindred and Maldonado, exchanging victories. On February 18, 2006, a returning Vega defeated González while wrestling under his "El hombre que ellos llaman T.N.T." gimmick. He then turned face and entered a winning streak of five constests, gathering wins over Cotto, Kindred and Huertas González. This streak ended in a tag team match, when he lost to Vega and Huertas, then known as "Los Inhumanos". This feud continued, with Los Inhumanos earning a 3–1 advantage. However, González did win a titular contest over Huertas and another over Jeff Bradley. He went on to gather wins over Vega and Christian Martínez, as well as a successful title defense over slugga, but lost rematches against Huertas and Ricky Cruz. On September 2, 2006, González defeated Mikael Judas to win the World Heavyweight Championship. This ignited a feud, in which he won four consecutive tag team matches. On September 16, 2006, González once again defeated Judas in a contest for the World Heavyweight Championship. A rematch ended in a no contest, but Judas did win a "baseball bat in a pole" contest. González defeated Judas and Maldonado in singles matches, also picking a victory over The British Milicia in tag team competition. Around this time, "Lightning" Cruz turned on La Familia and went on to defeat González and Judas in a four corners match, going on to win the World Heavyweight Championship. González won a singles match between them by disqualification. This was followed by the final stage of his long running feud with Judas, which concluded with him earning an advantage of 4–1.