Miguel Ángel Olivo Castro, better known by the ring name Daga, is a Mexican professional wrestler, currently performing for Pro Wrestling Noah, where he is the current GHC Junior Heavyweight Champion in his first reign; and on the independent circuit. He is a former AAA Latin American Champion and AAA World Cruiserweight Champion. He has also worked for Lucha Underground and Impact Wrestling.

Pro Wrestling Noah is a Japanese professional wrestling promotion, founded in 2000 by former All Japan Pro Wrestling (AJPW) wrestler Mitsuharu Misawa after he had led a mass exodus in which 24 of AJPW's 26 contracted wrestlers left the promotion to form Noah.