Kurt Angle won the WCW Championship.
Kurt Angle . Throughout his tenure in the WWF/WWE , Angle was a six-time world champion ( four reigns as WWF/WWE Champion , one as WCW Champion , and one as WWE 's World Heavyweight Champion ) , a one-time United States Champion , one-time Intercontinental Champion , one-time European Champion , one-time Hardcore Champion , and one-time WWE Tag Team Champion . He is the only professional wrestler in history to have won the WWE Championship , WWE 's World Heavyweight Championship , the WCW Championship , the TNA World Heavyweight Championship , and the IWGP Heavyweight Championship . The WCW World Heavyweight Championship was a professional wrestling world heavyweight championship originally used in World Championship Wrestling ( WCW ) and later , the World Wrestling Federation ( WWF , now WWE ) .