New Japan Pro-Wrestling championship (1990-1992)
| Greatest 18 Club Championship |
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 |
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| Promotion | New Japan Pro-Wrestling |
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| Date established | September 29, 1990 |
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| Date retired | August 16, 1992 |
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| First champion(s) | Riki Choshu |
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| Final champion(s) | The Great Muta |
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| Most reigns | All titleholders (1) |
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| Longest reign | Riki Choshu (538 days) |
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| Shortest reign | The Great Muta (<1 day) |
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| Oldest champion | Riki Choshu (39 years, 84 days) |
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| Youngest champion | The Great Muta (29 years, 237 days) |
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The Greatest 18 Club Championship (グレーテスト18クラブ王座, Gurētesuto 18 kurabu ōza) was a championship created and promoted by New Japan Pro-Wrestling.[1]
