 As it is a professional wrestling championship, it is won not by actual competition, but by a scripted ending to a match.Overall, there have been 18 AAA Mega Championship reigns and 11 total champions, and the title has been vacated twice.The inaugural champion was El Mesías, who defeated Chessman in the final of an eight-man tournament at the "Verano de Escándalo" event on September 16, 2007, to become champion.