Sting is regarded as one of the greatest Superstars to grace the ring. The Icon's career lasted over three decades. Sting made his WWE debut in 2014. Unfortunately, it was cut short after a career-ending injury and he retired, after which he was inducted into the WWE Hall of Fame.
Sting faced an imposter Sting in 1996. Scott Hall, Hulk Hogan and Kevin Nash, collectively known as the nWo, claimed that Sting was joining them. Subsequently, a duplicate Sting appeared as evidence of that claim. The imposter Sting had matching face paint, which seemed to have fooled the crowd, until the real Sting destroyed him.
Undertaker is undeniably one of the biggest names of WWE. The Phenom locked horns with numerous Superstars in his career. He is currently on the last legs of his illustrious career, serving as a special attraction on WWE programming. As a matter of fact, he is scheduled to wrestle at Super ShowDown in Saudi Arabia where he will face Goldberg in what will be their first ever match.
The Deadman has had many gimmicks in his lengthy career. The Undertaker disappeared after losing a Casket Match to Yokozuna in 1994. Following WrestleMania 10, an Undertaker was brought back to the company by Ted DiBiase, who then dominated inside the ring, dismantling many wrestlers over the course of the next few weeks.
Paul Bearer promised to bring back the real Undertaker. Subsequently, the real Undertaker returned and faced the imposter at Summerslam. The two Undertakers main-evented the big-four pay-per-view, and the original Phenom emerged victorious. However, the real Undertaker toiled hard and he delivered three Tombstone Piledrivers to defeat the duplicate Undertaker.