Juan Rivera is a professional wrestler. He began his career in the World Wrestling Council, where he won the WWC Universal Heavyweight Championship. During the mid-to-late 1990s, Rivera was an active wrestler in theWorld Wrestling Federation (WWF), initially performing under the ring name Kwang. He was later renamed Savio Vega, eventually becoming the leader of a Puerto Rican stable, Los Boricuas. Vega gave Stone Cold Steve Austin and Dwayne "The Rock" Johnson their first singles losses in the WWF. During his feud with Austin, he was the first recipient of the Stone Cold Stunner. During his WW…