Nick Hogan paid tribute to his dad, Hulk Hogan, who died last week at age 71, in an emotional post on Instagram. Nick posted Saturday night that dad Hulk, who died Thursday of a reported cardiac arrest, was his “hero” and “best friend.”

Sylvester Stallone, John Cena, Ric Flair and other famous names are paying tribute to Hulk Hogan. The wrestler passed away at age 71 on July 24. His manager Chris Volo confirmed the WWE legend's death to NBC LA and said he was surrounded with family at the time of his passing.