His first match was in 1995, but he'd been trying to get into the business as early as 1990. He couldn't afford traning for years, then spent two years learning before his first match.
Told Dos de Tres that Antonio Pena planned to retire the La Parkita character when the original La Parka left the company, and Pena told him he'd join the Cadetes del Espacio as Venum. However, he ran into Octagon on his way out of the meeting, told him about the change, and Octagon brought him back to Pena, asking that he become Octagoncito instead.
Changed his name to Mini Rey Misterio after leaving AAA in June 2017.