Mark William Calaway (born March 24, 1965), better known by the ring name The Undertaker is an American retired professional wrestler. Widely regarded as one of the greatest professional wrestlers of all time, Calaway spent the vast majority of his career wrestling for WWF/E, and is best known for his critically acclaimed "Deadman" Undertaker gimmick, for which he was inducted into the WWE Hall of Fame in 2022. Calaway remains employed for WWE through a 15-year contract signed in 2019.Calaway began his career in 1987, working under various gimmicks for World Class Championship Wrestling (WCCW) and other affiliate promotions. He became USWA Unified World Heavyweight Champion and WCWA Texas Heavyweight Champion during this time. After signing with World Championship Wrestling (WCW) in 1989, he had a brief stint in the mid-card as "Mean" Mark Callous, before joining the World Wrestling Federation (WWF, now WWE) in 1990.