Usually referred to simply as Psicosis, though he's occasionally used different spellings since leaving AAA. When discussing the different Psicosis, he may also be referred to by his previous Leon Negro character.
Originally from Puebla. His father was a local wrestler known as El Puma, and he made his debut as el Puma Jr.. He spent 40 days with Ultraman 2000 (Damian 666) wrestling in Japan for Onita under the name Ultraman-Taro. He made his debut as Psicosis for AAA in El Rio Nilo center of Tonala, Jalisco, on Cibernetico's side against Canek.
Psicosis was a mainstay of AAA from 1997 to 2009, usually a rudo midcarder involved with Los Vipers, part of the core crew of luchadors after the many left with with Konnan to Promo Azteca and WCW. In the summer of 2009, Psicosis left AAA, one of a number of guys who were unhappy with the number of bookings they were getting. Psicosis, usually teaming with Histeria, worked in the independents for a year, including short stints in Perros del Mal and IWRG.
Psicois, Histeria and Alebrije starting making surprise appearances in CMLL in spring of 2010, leading them to come in to form the rudo Los Invasores with other ex-AAA and independent luchadors.
