Martín Antonio Alvarado Nieves (born March 7, 1968) is a Mexican luchador, or professional wrestler best known under the ring name Súper Brazo (Spanish for "Super Arm") and is part of an extensive Alvarado wrestling family that was founded by his father Shadito Cruz and includes Alvarado's five brothers as well as a large number of third generation wrestlers.
Most of the wrestlers in the Alvarado family is using or has used a ring name with the word "Brazo" ("Arm") in it at some point in their career.
Martín Alvarado has worked for a number of Mexican professional wrestling promotion, but is currently working on the Mexican Independent circuit and not permanently for one specific promotion.