Nick Hogan has broken silence on the passing of his father Hulk Hogan. The former pro-wrestler, whose real name was Terry Bollea, died at 71 years old on Thursday following what many believe was cardiac arrest. No official cause of death has been revealed. On Sunday, the professional DJ shared a lengthy tribute to his "hero" dad on Instagram. Related: How Brooke Hogan Honored Her Dad After His Passing He started by sharing thanks to everyone who has sent love and support: "Thank you to everyone who has reached out to me and comforted me over the last few days. It truly means a lot.