Michael Nicholls (born 20 August 1985), better known by his ring name Mikey Nicholls, is an Australian professional wrestler currently signed to New Japan Pro-Wrestling, where he is a member of The Mighty Don't Kneel. He is best known for his work in Pro Wrestling Noah, where, with partner Shane Haste, he is a two-time GHC Tag Team Champion. He has also wrestled in the United States for WWE in their promotion NXT (as Nick Miller), Pro Wrestling Guerrilla (PWG) and Ring of Honor (ROH). Professional wrestling career Early career (2001–2011) Nicholls started training in Perth at the Dynamite Factory, the wrestling school of Explosive Pro Wrestling. He moved to California and started working for promotions in the United States, such as Pro Wrestling Guerrilla, NWA Pro, and World League Wrestling. Nicholls has trained at the New Japan Pro-Wrestling's L.A. Dojo, based in Los Angeles. He wrestled for NJPW in Tokyo in 2006. Also in 2006, Nicholls unsuccessfully challenged for the NWA British Commonwealth Heavyweight Championship. In June 2007, after NWA split with TNA, Nicholls was involved in the Reclaiming the Glory tournament to crown a new NWA Heavyweight Champion, but was defeated in the tournament by Fergal Devitt. In September 2007, Nicholls defeated champion Karl Anderson and Ryan Taylor in a 30-minute Iron Man match for the Empire Wrestling Federation American Championship. In 2009, Nicholls wrestled for Ring of Honor. Pro Wrestling Noah (2011–2016) On 23 February 2011, Nicholls made his debut in Pro Wrestling Noah as he had a try-out match against his teammate Shane Haste. A month after the try-out match both men started to work full-time with the Japanese promotion. Nicholls competed in both the 2012 and 2013 Global League tournaments as a singles competitor. On 7 July 2013, Haste and Nicholls, known together as The Mighty Don't Kneel (TMDK), won the GHC Tag Team Championship after they defeated Toru Yano and Takashi Iizuka. On 16 September, Nicholls unsuccessfully challenged Kenta for Noah's top title, the GHC Heavyweight Championship. At the end of 2013, the Tokyo Sports magazine named Nicholls and Haste the tag team of the year, making them the first foreign team to win the award since Stan Hansen and Vader in 1998. Nicholls and Haste lost the GHC Tag Team Championship to Maybach Taniguchi and Takeshi Morishima on 25 January 2014. They regained the title from Dangan Yankies (Masato Tanaka and Takashi Sugiura)