Roman Reigns
Cody Rhodes broke a WWE record at WrestleMania 40 while becoming the undisputed WWE Universal Champion.
Cody Rhodes won the Undisputed WWE Universal Championship at WrestleMania 40, ending Roman Reigns' lengthy reign.
Seth Rollins ended up playing a huge role in the WrestleMania 40 main event, where Cody Rhodes defeated Roman Reigns.