#2 The Undertaker

It's truly astonishing how long The Undertaker has been in this business with so much dedication. Mark William Calaway will forever be remembered as a legend in pro-wrestling because of his exceptional gimmick and his illustrious career that started in 1989 and is still active. The Undertaker became a household name thanks to the way he executed his gimmick and created an aura of invincibility that is matched by none, evident by his WrestleMania streak.
He has been an essential part of WrestleMania since last 18 years at least. He's the most consistent performer at the Show of Shows. A WrestleMania without the Undertaker seems impossible. Undertaker revealed in his latest Instagram post that he has lost some pounds, so he's probably in shape to fight one last match at his yard. In fact, he's only at #2 because of his old age, which makes it harder to believe that he is still capable of wrestling.
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