The sudden demise of WWE star Hulk Hogan has left celebs, fans and the wrestling world in shock. Condolences are pouring in from all across the world for the WWE Hall of Famer. Hogan passed away on Thursday (July 24) following a cardiac arrest in his residence in Clearwater, Florida. He was 71. Former wrestler Dwayne Johnson paid a heartfelt tribute to his "childhood hero" with a lengthy note on Instagram alongside a video with Hogan.