World Boxing Organization (as they did with several established champions in the lower weight divisions), the WBO sanctioned a fight between two relatively unknown fighters, Francesco Damiani (winner of the super heavyweight silver medal at the 1984 Summer Olympics) and Johnny DuPlooy, to determine the inaugural holder of its own heavyweight title in 1989. All other sanctioning bodies of boxing recognized the then-undefeated Mike Tyson as the undisputed heavyweight champion. Damiani, meanwhile, went on to become the first WBO heavyweight champion. At heavyweight, especially in the United States, the organization initially struggled to gain credibility as a major sanctioning body, with WBO heavyweight
World Heavyweight Championship (WWE) Heavyweight Championship between the Raw and SmackDown brands. The inaugural champion was Triple H, and there were 25 different champions overall. The longest reigning champion was Batista who held the title from April 3, 2005, to January 10, 2006, for a total of 282 days. Triple H holds the record for longest combined reigns at 616 days. The shortest reigning champion was Randy Orton in his fourth reign, who immediately retired the championship upon winning it and unifying it with the WWE Championship. He was also the youngest champion, at the age of 24. The oldest champion was The Undertaker