Antonio Inoki
Championship résumé: 2 title reigns across 2 championships, 331 total days as champion.
Title Reigns
2
| IWGP Heavyweight Championship NJPW · IWGP League 87 Finals | Jun 12, 1987 to May 2, 1988 | 325 days |
| Undisputed WWE Championship WWE · House show | Nov 30, 1979 to Dec 6, 1979 | 6 days |