John R. Rivera (October 28, 1982) is a Cuban professional wrestler better known by his ring name Rocky Romero and as the fourth incarnation of Black Tiger. As Romero he was one half of the tag team The Havana Pitbulls (formerly Los Cubanitos), along with Ricky Reyes. He also was a member of the No Remorse Corps in Ring of Honor with Roderick Strong and Davey Richards. Romero and Richards are former ROH World Tag Team Champions in the stable. Romero's wrestling style based around stiff shoot-style kicks and multiple armlock variations.