The dumbfounded fans did not know how to react after the shock loss of their star wrestler to a part-time wrestler who opts out of WWE every now and then. What will the Undertaker do now? Mark William Calaway, that is the real name of The Undertaker, is a 49 years old professional wrestler. In a sport that demands a lot physically, his slowing reflexes must have been taking a toll on him. The Deadman has been a part of the wrestling business for decades now and has achieved all there is to while enjoying a cult following. After being one of the biggest superstars ever in the sport and gaining the respect of the fans, the thought of retirement could have cropped up sometimes. But what if the Phenom decides to wreck havoc in the WWE Universe after his unexpected defeat at Wrestlemania and bring back his notorious, dominant age of the 90s?