Rey Mysterio – Booyaka 619” WWE Entrance Music Songs sound tracks from the category “WWE Theme Songs” is available to download for free. Rey Mysterio: The name means king mystery in Spanish. A famous masked wearing wrestler is well known for his Lucha Libre wrestling and also the first one to introduce Lucha high flying form in WWE. His most famous maneuver is 619. He is very religious in belief and devoted to Roman Catholics.