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.”

Deeply saddened to hear of the passing of my friend and wrestling legend, Hulk Hogan. Terry Gene Bollea — known to millions as Hulk Hogan — was more than an icon in the ring. He was a man with a big heart and a genuine desire to help others. He was a proud supporter of my school… pic.twitter.com/DnohYBtpmD