Felipe Estrada (born June 19, 1952), known as Canek or El Canek, is a Mexican luchador enmascarado or masked professional wrestler best known for the 20 years he worked for the Universal Wrestling Association where he held the UWA World Heavyweight Championship a total of 15 times. As the major heavyweight working for the Universal Wrestling Association promotion, he became one of Lucha Libre's biggest attractions during the 1980s especially through his high-profile matches against non-Mexicans that sold out numerous shows and led to the UWA using the same formula of "Canek vs. the foreigner" for over a decade. He made his debut in 1972 as "El Universitario" at the age of 18 and would later work under the name "Principe Azul" (Spanish for "The Blue Prince"). In 1973 he adopted the ring nam