The Ironman Heavymetalweight Championship (アイアンマンヘビーメタル級王座, aianman hebīmetaru-kyū ōza) is a professional wrestling championship owned by the DDT Pro-Wrestling promotion. A comedic championship, it was created as a parody of WWE's Hardcore Championship and follows the same 24/7 rules, meaning it is constantly being defended anywhere against anyone, even outside of matches, during unrelated matches, or outside a ring, as anyone (or anything) can become champion by pinning the champion or making him submit as long as a referee is there to confirm the win. As such, not only is the championship winnable regardless of gender or number of individuals (in case of a common pinfall or submission), it is also available to "unconventional" champions, with past champions including referees, children,