16. Shamrock Calls Him Mark
https://www.youtube.com/watch?v=HoEOVvM5x78 In 1999, Ken Shamrock went to the ring on Raw and called out The Undertaker. What made this unusual was the fact that Shamrock repeatedly mentioned "Mark" in the promo. "There's one more thing Mark, it's about you got brought back down to reality," he yelled. The lights then went out and Taker turned up to batter the former UFC star. It was one of those weird angles which broke kayfabe and let on that Undertaker was just a regular dude named Mark. It was surreal to see him being called by his real name. The formation of the Corporate Ministry afterwards perhaps overshadowed it, leading many fans to forget this rare breaking of The Undertaker character.