The current Champion, Charly Manson, is the longest reigning champion, although, there is some uncertainty over his championship status, and as a result, the longest documented reign belongs to El Médico Asesino, who held the title for 2074 days.
The current Champion, Charly Manson, is the longest reigning champion, although, no record of him defending or even being promoted as the champion since March of 2006 exists, creating uncertainty over his championship status. The longest verified reign belongs to El Médico Asesino, who held the title for 2074 days.