Jun Kasai
In the early 2000s, as a member of the stable CZW Warriors (CZW Army), Ruckus toured all over Japan, including Kanagawa, Tokyo, Hokkaido, Ibaraki, Miyagi, Yamagata, Shizuoka, with the promotion Big Japan Pro Wrestling, facing several wrestlers including Trent Acid, The Winger, Fantastic, Ryuji Ito, John Zandig, Shadow WX, Daikokubo Benkei, Abdullah Kobayashi, Van Hammer, Hideki Hosaka, Kamikaze, Shunma Matsuzaki, Naoki Numazawa, Nick Gage, teaming on several occasions with Wifebeater, Madman Pondo, Jun Kasai, Justice Pain, BADBOY Hido, Fantastic, Ryuji Ito, and won the BJW Junior Heavyweight Championship in December 2001 in Yokohama.