He has spent the majority of his career as a luchador enmascarado, and lost a Lucha de Apuestas match to Atlantis Jr., after which he was forced to unmask and reveal his birth name.

His mask was styled to look like aviator goggles and an early 20th-century pilot helmet and his tights include designs representing the Luftwaffe's Balkenkreuz insignia, reflecting the Stuka dive bomber from which his name is taken.

[6] His first confirmed match was on February 27, 2002, where he teamed with Gigolo and La Parka to defeat El Texano, Jerry Estrada and Máscara Maligna (Stuka under a different mask).

At Guerra del Golfo Stuka Jr., El Felino, Mephisto and Pierroth escaped the steel cage match, forcing Ultra Mega to compete, and lose his mask to Nemesis later that night.

[10] On September 28, 2007, Stuka Jr. teamed up with Metalico and Valiente to defeat Los Infernales (Euforia and Nosferatu) and Loco Max on the undercard of the CMLL 75th Anniversary Show.

The tournament's first three-round took place on June 22, 2008, and saw Stuka Jr. and Flash defeat Astro Boy and Molotov in the first round, the Los Guerreros Tuareg team of Nitro and Skandalo in the quarter-final and Bronco and Diamante Negro in the semi-final.

[14] Throughout late 2008 Stuka Jr. and Flash worked a series of matches against Los Infernales, including a successful tag team title defense on December 14, 2008.

[15] Los Infernales defeated Stuka Jr. and Flash at CMLL's La Hora Cero PPV on January 11, 2009, but the Coliseo Tag Team title was not The tournament's first three-round took place on June 22, 2008.

He was the second wrestler eliminated in the seeding battle royal and then lost to his Mexican National Trios Championship partner Mascara Dorada in the first round of the actual tournament.

Stuka Jr. and Fuego successfully defended the CMLL Arena Coliseo Tag Team Championship against Namajague and his La Fiebre Amarilla ("The Yellow Fever") partner Okumura.

On March 3, 2013, Stuka Jr. and Fuego's four-and-a-half-year reign as the CMLL Arena Coliseo Tag Team Champions came to an end, when they lost the title to Namajague and Okumura.

[29] On March 15, 2013, Stuka Jr. and Rey Cometa defeated La Fiebre Amarilla in the main event of the 2013 Homenaje a Dos Leyendas show, forcing Okumura to have all his hair shaved off and Namajague was unmasked and had to reveal his real name, Kyosuke Mikami, as per lucha libre traditions.

[30] In late March 2013, Stuka Jr. was announced as a participant in the 2013 En Busca de un Ídolo ("In search of an Idol") tournament that took place from May to July 2013 as one of eight competitors.

[34][35] In January 2015, Stuka Jr. returned to Japan to take part in the Fantastica Mania 2015 tour, during which he unsuccessfully challenged Mephisto for the Mexican National Light Heavyweight Championship.

[46] On September 16, 2022, Stuka Jr. lost a Lucha de Apuestas match to Atlantis Jr., after which he was forced to unmask and reveal his birth name, Omar Alvarado García.

[47] After working a few shows with Los Guerreros Laguneros,[48] Stuka Jr. became the newest member of the stable in January 2023, effectively replacing Templario, who had been kicked out a year previously.

The victory led to a match for the ROH World Six-Man Tag Team Championship, losing to then-champions The Kingdom (Matt Taven, T. K. O'Ryan and Vinny Marseglia).