After joining the SOS Daredevils, a stuntmen's association, he started doubling for action stars such as Jess Lapid Sr. and Jun Aristorenas.
He also made the film Gulapa (1977) with Ramon Revilla, based on the true-to-life-story of former Mayor Patrocinio Z. Gulapa of Maragondon, Cavite, and the film Carding Estrabel: Tirador ng Malabon, based on the life story of Ricardo Luciano.
[5] In 1981, Varona jumped the San Juanico Bridge for a scene in "Hari ng Stunt" without a harness.
[1] The stunt became a selling point for the film, which used the tagline "The most death-defying action thriller of the year!"
He then directed some of his films, including Raging Anger (1984), and Bangkay Mo Akong Hahakbangin (1986), which he also starred in.
[4] In America, he got to join the Hollywood film Dune Warriors, starring David Carradine, Rick Hill, Blake Boyd, and Maria Isabel Lopez.