Hulk Hogan's cause of death has been revealed after the WWE star's passing on Thursday, July 24 at age 71. He died of acute myocardial infarction, also known as a heart attack, PEOPLE confirmed on Thursday,

Nick Hogan publicly acknowledged his late father Hulk Hogan’s widow, Sky Daily, for her ongoing support. After Daily, 46, posted a birthday tribute to Nick, 35, via Instagram on Sunday, July 27, Nick left a heartfelt response.

Daily was one of many who publicly admired Hogan in the hours after he died. In his memorable tribute, Dwayne "The Rock" Johnson, who followed Hulk's path from wrestler to movie star, called him a " childhood hero ."