Actor Mr. T carries Rowdy Roddy Piper on his shoulders during the first "Wrestlemania" at New York's Madison Square Garden in this March 1985 photo. When Wrestlemania first stormed into Madison Square Garden 20 years ago, its mix of high-wire theatrics, mayhem and drama thrust the no-holds-barred world of professional wrestling into mainstream consciousness. (AP Photo/Ray Stubblebine)