Jesús Daniel Castillo Ortiz Jr. is a professional wrestler, and son of a professional wrestler, best known in his native Puerto Rico as Huracan Castillo. He competed in the World Wrestling Federation as a member of the Hispanic stable 'Los Boricuas' in the late 1990s.

Castillo has wrestled most of his career in Puerto Rico working for the World Wrestling Council (WWC), Americas Wrestling Federation, International Wrestling Association, New Wrestling Stars, and All Japan Pro Wrestling as the masked El Olimpico. He is the son of Pedro Castillo, known as "Huracan Castillo", a wrestler who fought in Canada, Japan, the United States and Puerto Rico in the 1970s. In 1997, Castillo made his move to the World Wrestling Federation, as a member of the Los Boricuas stable, which was led by Savio Vega. Castillo mainly competed in tag team matches with other members of the group José Estrada Jr., Miguel Pérez, and leader Savio Vega. In summer 1998, Castillo became a jobber, competing on Shotgun, losing to superstars; featuring a young Edge, X-Pac and Dan Severn. He competed in SuperAstros as El Merenguero until the show went off the air in August 1999 and left the company.

International Wrestling Association

After being released by the WWF Castillo join the newly formed International Wrestling Association (IWA) in Puerto Rico and reunited with Los Boricuas Savio Vega and Miguel Perez. During this time Castillo began to use the Hardcore wrestling style and often used the ring bell against his opponents.

Castillo made a return to WWC in 2006 and formed a tag team with Chris Joel, and has held the WWC World Tag Team Championship as a member of the Starr Corporation. He has formed a tag team with Rico Suave and formed "La Evolucion Hardcore" (or The Hardcore Evolution) due to the hardcore wrestling style of these two wrestlers.

In November 2012, he is wrestling in Puerto Rico's PRWA as he is the general manager of PRWA and the current PRWA World Heavyweight Champion, having defeated Joseph RPM in the finals.

Castillo has a son AJ Castillo who is the first third generation wrestler in Puerto Rico. On November 2012 Huracan Castillo teamed for the first time with his son AJ Castillo against the father and son team of Barrabas and Barrabas Jr.