Witness the rise of the Ultimate Underdog, Rey Mysterio Jr. Growing up, Rey was immersed in the Mexican tradition of Lucha Libre, and studied under his uncle, the masked luchador, Rey Mysterio Sr. and although Rey only stood at 5-foot-6, this high-flying virtuoso inherited his uncle's name, and proceeded to conquer the U.S. Rey's revolutionary style and mythical storylines have thrilled audiences and earned him championships. Rey is adored by his fans and beloved by his family, who are continuing his legacy and joining him in the ring.