SonChika's (Chikayo Nagashima and Sonoko Kato) second reign holds the record for the shortest reign, at 14 days.
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The championship was introduced on July 13, 2008, when Carlos Amano and Dynamite Kansai defeated Chikayo Nagashima and Sonoko Kato in the finals of a tournament to become the inaugural champions.
She made her debut in April 1995, working for Gaea Japan, where she became one half of the inaugural AAAW Junior Heavyweight Tag Team Champions.
Kato Olympos | Kato Hideki | Sonoko Kato | Kazuya Kato | Kato | Joji Kato | Shigeaki Kato | Ryozo Kato | Kato's conjecture | Kato Nevrokopi | Kato Kaelin | Kató Havas | Yasunori Katō | Takeshi Kato | Miliyah Kato | Masato Kato | Masaru Kato | Koichi Kato | Kenzo Kato | Kazuhiko Kato (musician) | Kazuhiko Kato | Kato Hiroyuki | Kato (Green Hornet) | Kato (DJ) | Daisuke Katō | Ai Kato |