Mark William Calaway,better known by hisring nameThe Undertaker, is an Americanprofessional wrestlersigned toWWE. He is the company's most tenured performer, and is the only remaining active competitor from the very first episode ofWWE Rawin 1993. Calaway began his wrestling career withWorld Class Championship Wrestling(WCCW) in 1984. He joinedWorld Championship Wrestling(WCW) as"Mean" Mark Callousin 1989. When WCW did not renew Calaway's contract in 1990, Calaway signed with theWorld Wrestling Federation. After debuting asKane the Undertaker, the name was shortened to The Undertaker and he has remained with the company since.