- Born: 09/23/1992 in Monterrey, Nuevo León, Mexico
- Birthname: Humberto Garza Solano
- Height & Weight: 5'11", 205 Ib
- WWE 24/7 Championship
- NXT Cruiserweight Championship
- The Crash Tag Team Championship – with Último Ninja
He is a third-generation wrestler, the grandson of luchador Mario Segura, known as El Ninja. From his debut in 2008 until 2015, Garza worked under the name El Hijo del Ninja (“The Son of the Ninja”). He is the nephew of Héctor Garza and Humberto Garza Jr. and the grand-nephew of Humberto Segura Garza. He is the cousin of fellow WWE wrestler Humberto Carrillo, who was his tag team partner in Mexico. Garza originally worked as an enmascarado, or masked wrestler, but voluntarily unmasked in 2012 in the series finale of a dating reality show and has worked unmasked ever since.
As Garza Jr., he previously worked for Impact Wrestling in the United States, for Lucha Libre AAA Worldwide, and on the Mexican independent circuit for a number of promotions including The Crash Lucha Libre. Garza Jr., along with Penta el 0M, Rey Fénix and Daga formed La Rebelión on the independent circuit after leaving Lucha Libre AAA Worldwide. He signed with WWE in 2019 and was assigned to the NXT brand, wrestled under his current ring name, where he was a one-time NXT Cruiserweight Champion. He later joined the main roster in 2020.
Notable Feuds: vs. Lio Rush
Other Notable Achievements: FILL Light Heavyweight Championship, FILL Rey del Aire Tournament: 2011, Copa Arena Coliseo Monterrey: 2009, Impact Wrestling Turkey Bowl (2017) – with Eddie Edwards, Allie, Richard Justice, and Fallah Bahh, LyC Championship, LyC Tag Team Championship – with Último Ninja, PWB Tag Team championship – with Laredo Kid