#1 The Undertaker laughing at Brock Lesnar (WWE SummerSlam 2015)
The Undertaker defeated Brock Lesnar in the main event of WWE SummerSlam 2015 to exact revenge on The Beast for ending his undefeated streak 17 months earlier at WrestleMania 30.
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At the time, The Undertaker vs. Lesnar was one of the most intense rivalries that WWE had seen in years.
The build-up to SummerSlam featured a segment on RAW where the entire locker room had to separate both men. Lesnar even yelled “I’m gonna kill you!” towards his SummerSlam opponent while being restrained by several Superstars.
Given how serious the promotion for the SummerSlam main event had been, nobody would have expected to see a comedy spot in the match.
However, as you can see below, Lesnar mocked his rival by sitting up off the ring canvas and laughing in his face. Seconds later, The Undertaker also sat up and began manically laughing back at his opponent.
Speaking on the Pardon My Take podcast, the man behind The Undertaker character, Mark Calaway, confirmed that he was not scripted to laugh back at Lesnar in that fashion.
"We both took bumps, and then I did the signature set-up. He was up, and I sat up. He started laughing so mine was kind of an evil, sarcastic laugh back at him. I was shocked at the people's [reaction]. They were so enthralled by the way that we were laughing at each other." [H/T Wrestling Inc.]
Without even trying, The Undertaker created a legendary SummerSlam moment that will forever be reposted as a GIF on social media.