All New 2016 Bio and Photo Booklet Mark William Calaway (born March 24, 1965) better known by his ring name The Undertaker, is an American professional wrestler and actor. He is currently signed to WWE, where he has worked since 1990, making him the company's longest tenured in-ring performer. Calaway began his wrestling career with World Class Championship Wrestling (WCCW) in 1984. After wrestling for World Championship Wrestling (WCW) as "Mean" Mark Callous from 1989 to 1990, he signed with the World Wrestling Federation (WWF, now WWE) in 1990. As The Undertaker, his gimmick is a horror-themed, dynamically dark, macabre entity who employs scare tactics and holds links to the supernatural. The Undertaker is the storyline half-brother of fellow WWE wrestler Kane, with whom he has alternately feuded and teamed with as The Brothers of Destruction. Since unseating Hulk Hogan as WWF Champion in 1991, The Undertaker has been involved in various pivotal storylines and matches within WWE history.