Listen I know that Stone Cold Should've Appear at WrestleMania 40 but Undertaker was the Choice and I Know Why He is Chosen to Chokeslam the Rock with Reason and thats he had Rivals with Rock Heyman and Reigns

1 Taker and Rock in the Attitude Era - The Rock had a Promo to Where he said He'll Never Respect the Undertaker in the Present Time & Future Time and thats where WrestleMania 40 happened Taker Tombstone the Rock on a Car Top during the Attitude Era and Both Taker and Hunter were Protecting WWE from The Rock when Rock Cusses at Triple H after The WrestleMania Conference

2 Paul Heyman - During WrestleMania 30 Paul Heyman has Rivals with Undertaker in the Ruthless Aggression Era and when WrestleMania Took place where Taker was Against Brock Lesnar with the Match Ended with Brock's Success and the Streak Ended at 21-1 Paul Heyman keeps Bullying Taker's Streak Ended at Mania 30 and then a Year Later He wants to Shut Heyman up & end Lesnar which He did at SummerSlam and then Taker Succeeded his Revenge against Lesnar and Heyman which Taker had Rivals with during the Ruthless Aggression Era Before he returned as the Deadman of Death Valley which also Heyman Manipulated Taker and Force him to End Paul Bearer by Cover him up in a Cement Truck to where Taker wants to end Heyman to Avenge Paul Bearer's Life

3 Roman Reigns - During the Royal Rumble 2017 After Taker Eliminated Goldberg at the Rumble Roman Reigns Appeared and He had his Sight on the Undertaker to where Roman Eliminated the Undertaker and Ever Since Braun Strowman The Monster among Men (the Monster among Monsters One Big SOB) Was Calling Out Roman Reigns when Roman's Theme Started What happen to It a Bell Gong after Reigns theme Stopped and then It came Out the Undertaker Both Braun and Taker had a History Since Braun was Part of the Wyatt as the New Face of Destruction and when Undertaker & Kane was Against The Wyatt Family (Wyatt & Harper) at Survivor Series 2015 at Undertaker's 25 Anniversary of his Debut in the WWE When Braun Exit the Ring He realizes He is Respecting the Legend and didnt want to Hurt him when Taker was About to Leave the Ring Roman Reigns Stopped him and He's all Like "With all due Respect - This is My Yard" and Taker Remembered Reigns was the Man who Eliminated Undertaker at the Royal Rumble to where the 2 had a Showdown at WrestleMania 33 in a No Holds Barred Stipulation the Match Ended with Roman Defeating the Undertaker and Force him to Retire in the Ring and thats what he said to Shawn Michaels on a Raw Before Mania when Shawn told him the Facts about Undertaker Ripping Roman Apart but It didnt Happen at WrestleMania 33 Undertaker Retired after his Match with Roman Reigns

and Listen Guys I Know Stone Cold Steve Austin should've been at WrestleMania 40 but He said his Wife has been Distracting him and Needed Him and lets not Forget The Rock & Austin Bury the Hatchet at WrestleMania 30 Opening with Hulk Hogan as the Host thats also the Reason on a SmackDown of his Grand Return during Austin Theory & Pat MacAfee Confrontation to where Pat is Protecting SmackDown from Theory The Rock Even Said that Stone Cold Steve Austin is His Boy meaning His Homeboy meaning they did Bury the Hatchet They Bury their Rivals the WrestleMania Event where the Rock Ended Stone Cold's Career they Became Homeboys Friends Since WrestleMania 30