Juan Rivera is a Puerto Rican professional wrestler. He is known for his work in the World Wrestling Council, where he won the WWC Universal Heavyweight Championship three times and the WWC Puerto Rico Heavyweight Championship three times. During the 1990s, he worked for the World Wrestling Federation (WWF), initially under the masked, villainous and venom-spewing Kwang gimmick. He later portrayed Savio Vega, the eventual leader of a Puerto Rican stable, Los Boricuas.

The WWC Universal Heavyweight Championship is a professional wrestling world heavyweight championship and the top title contested for in the Puerto Rican professional wrestling promotion, the World Wrestling Council. The championship was established in July 1982, as the WWC World Heavyweight Championship, when the company was named Capitol Sports Promotions.