Juan Manuel Gonzalez Olade is a Mexican luchador known under the ring name Espíritu Negro. He is currently working for Consejo Mundial de Lucha Libre as a rudo. Gonzalez is the brother of Mario Alberto Gonzalez, who also works for CMLL under the ring nameRey Cometa. His son is also a wrestler, working under the name Espíritu Negro Jr. He, along with Akuma and Espanto Jr. form a trio known as ''La Ola Negra"
Gonzalez made his in rng debut in 2000, after training under Atomico de Oro, Drágon de Oriente I and Dr. Kaoma Jr. in his native Santiago de Querétaro, Querétaro, Mexico. His first documented match, using the ring name Espíritu Negro, took place on August 18, 2000 as he and his trainer Kaoma Jr. took on Gonzalez' brother Rey Cometa and Constelación. He would later work the occasional undercard match for Lucha Libre AAA Worldwide when they held shows in Querétaro. On September 14, 2012, Espíritu Negro appeared as the corner man for his brother as Rey Cometa risked his mask in a Lucha de Apuestas at the CMLL 79th Anniversary Show.
In 2014, Espíritu Negro began working for Consejo Mundial de Lucha Libre as a lower card rudo. In his debut match, Espíritu Negro teamed up with Canelo Casas and Fuerza Chicana to defeat Camaleón, Flyer and Tigre Rojo Jr. For the 2014 Torneo Gran Alternativa, Espíritu Negro teamed up with veteran wrestler Reapper for a tag team tournament where relative rookies are teamed up with veterans. The team was eliminated by Herodes Jr. and Shocker in the opening round. A month later, Espíritu Negro was one of 16 wrestlers trying to qualify for the 2014 En Busca de un Ídolo tournament, but did not make it past the torneo cibernetico elimination match.
On April 10, 2019 Espíritu Negro teamed up with veteran Mr. Niebla for his second Torneo Gran Alternativa tournament appearance, representing the rookies five years after his previous Gran Alternativa appearance. The two lost to Dulce Gardenia and Volador Jr. in the opening round. In late 2019, Espiritu Negro became involved in a long running storyline feud with Príncipe Diamante, one that often saw Espiritu Negro tear Diamante's mask apart or completely off during matches. Espiritu Negro and his La Ola Negra teammates cheat to defeat Príncipe Diamante. On the November 26 show in Arena Mexico, the two wrestled to a double disqualification as they tore the masks off each other during the match. Oftentimes the matches would be followed by a mask match, or Lucha de Apuestas challenge. On December 10, CMLL announced that they had signed a Lucha de Apuestas match between Príncipe Diamante and Espiritu Negro for the January 1, 2020 Sin Piedad show. Espiritu Negro, seconded by his brother Rey Cometa, lost the match to Príncipe Diamante. As a result, he was forced to unmask and reveal his real name, Juan Manuel Gonzalez Olade.
