The Undertaker is an American professional wrestler signed to WWE. He is the company's most tenured performer, and he's also the only remaining active competitor from the very first episode of WWE Raw in 1993. Calaway began his wrestling career with World Class Championship Wrestling (WCCW) in 1984. In 1990, Calaway signed with the World Wrestling Federation and The Undertaker was born. The rest, as they say, was history!