Lidia Hortencia Rangel Ávalos (born December 29, 1955) is a Mexican former professional wrestler, more commonly known under the ring name Pantera Sureña (Spanish for "Southern Panther"). She has also worked as the masked wrestling characters La Galáctica, La Galáctica 2000, Lady Discovery and Lady Metal during her career. Her career began in 1969 and stretched until her effective retirement in 2008.