Shawn Michaels earned the 'Mr. Wrestlemania' moniker through his legendary performances at WWE's flagship event, including classic matches against Razor Ramon, Bret Hart, Chris Benoit, and The Undertaker. He retired at Wrestlemania 26 in 2010. The Undertaker is 'The Deadman', John Cena rose to prominence later, and Hulk Hogan is 'The Hulkster' or 'Hollywood Hulk Hogan'.