WWE

Mark William Calaway (March 24, 1965 -) is an American professional wrestler, better known by his ring name The Undertaker. Currently working for World Wrestling Entertainment (WWE), wrestling on its SmackDown brand. Before joining WWE, Calaway worked for the defunct World Championship Wrestling.
It is one of the fighters with more history in the WWE, debuting on November 22, 1990 and with 19-year career in that company. During that time, Calaway has achieved seven world championships: four WWE championships (one as Undisputed Champion) and three World Heavyweight Championship. Also managed to win the 2007 Royal Rumble and has an undefeated 18 wins and 0 losses at WrestleMania