Ultima Sombra is a Mexican professional wrestler who debuted in 2013 on the Mexican independent scene and has competed across various independent promotions. Best known for his long-running partnership with MBM as Rivality, he became a one-time WPE Tag Team Champion, one-time CZW Tag Team Champion, two-time APC Tag Team Champion, one-time BCW Tag Team Champion, two-time CACC Tag Team Champion, and two-time WrestlingKULT Tag Team Champion.