Magnitude Kishiwada
On April 12, he teamed with Kikutaro to beat Hollywood Stalker Ichikawa &amp; Magnitude Kishiwada to become the inaugural Open the Owarai Twin Gate Champions. On October 14, he added the Triangle Gate titles to his collection, teaming with Masaaki Mochizuki and Akebono to defeat the champions Masato Yoshino, BxB Hulk &amp; PAC. On May 13, 2010, Fujii, Mochizuki and Akebono lost the Open the Triangle Gate Championship to CIMA, Gamma and Genki Horiguchi. On January 10, 2011, Fujii and Mochizuki defeated Naruki Doi and Gamma to win the Open the Twin Gate Championship. They would lose the title to Genki Horiguchi and Ryo Saito on February 6, 2011. On September 23, 2012, Fujii and Mochizuki, now representing the Kaettekita Veteran-gun stable, regained the title from Shingo Takagi and Yamato. They lost the title to BxB Hulk and Uhaa Nation on March 2, 2013. On June 14, 2015, he, CIMA and Gamma defeated the Jimmyz (Ryo "Jimmy" Saito, Genki Horiguchi H.A.Gee.Mee!!, and Jimmy Susumu) to win the Open the Triangle Gate Championship. On October 8, CIMA and Gamma formed a new unit called Over Generation with Eita, El Lindaman, Punch Tominaga, and rookies Takehiro Yamamura and Kaito Ishida. Don Fujii did not join the new unit despite holding the Open the Triangle Gate Championship with CIMA and Gamma. On November 1, he, CIMA, and Gamma defended the Open the Triangle Gate Championship against the Jimmyz (Jimmy Susumu, Jimmy K-Ness J.K.S., and Ryo "Jimmy" Saito), and vacated the titles afterwards.