Richard Morgan "Ric" Fliehr is a semi-retired American professional wrestler, better known by his ring name Ric Flair. Also known as "The Nature Boy," Flair is considered to be one of the greatest professional wrestlers of all time with a professional career that spans 40 years. He is noted for his lengthy and highly decorated tenures with the National Wrestling Alliance , World Championship Wrestling , the World Wrestling Federation , and Total Nonstop Action Wrestling .