[7] Devitt's longtime tag team partner Minoru had recently left NJPW, leading to the promotion putting him and Taguchi together because of their similarities in both age and size, despite the fact that neither of them could speak the other's language.
[22] Before the end of the year, Apollo 55 made another successful defense of the IWGP Junior Heavyweight Tag Team Championship, when they defeated Koji Kanemoto and Nobuo Yoshihashi on December 4.
[31][32] On June 30, Devitt, Taguchi and Hirooki Goto, billed together as "Apollo 555", won the three-night J Sports Crown Openweight 6 Man Tag Tournament.
[33][34] On July 19, Devitt and Taguchi defeated El Samurai and Koji Kanemoto to regain the IWGP Junior Heavyweight Tag Team Championship.
[41] During the reign they also made successful defenses in the Kaientai Dojo promotion against Little☆Galaxy (Makoto Oishi and Shiori Asahi) and in the United States, during NJPW's Invasion Tour, against the Strong Style Thugz (Homicide and Low Ki).
[44] After a reign of 260 days, Apollo 55 lost the IWGP Junior Heavyweight Tag Team Championship to the No Remorse Corps (Davey Richards and Rocky Romero) in their eighth title defense on October 10, 2011, at Destruction '11.
[45] In December, Devitt made successful defenses of the IWGP Junior Heavyweight Championship against both Richards and Romero,[46][47] which resulted in another IWGP Junior Heavyweight Tag Team Championship match on January 4, 2012, at Wrestle Kingdom VI in Tokyo Dome, where Apollo 55 defeated the No Remorse Corps to win the title for the fourth time,[48][49][50] meaning that they now shared the record for most reigns as a team with Jado & Gedo (a record which has since been broken by The Young Bucks).
[57][58] Shortly afterwards, after losing a high-profile non-title main event against IWGP Heavyweight Champion Hiroshi Tanahashi on March 3,[59][60] Devitt began portraying a more cocky and villainous persona, regularly disrespecting both partners and opponents, with the exception of Taguchi, whom he tried to get to go along with his new attitude.
Post-match, Devitt attacked Taguchi with help from Bad Luck Fale, signaling the end of one of the most accomplished junior heavyweight tag teams in NJPW history.