The Great O-Khan

Tomoyuki Oka (岡 倫之) is a Japanese professional wrestler trained by and signed to New Japan Pro Wrestling (NJPW).

Early life
Oka excelled in amateur wrestling while in school, winning the All Japan Wrestling Championship in the 120 kg Freestyle class in 2012. Oka met Takaaki Kidani, president of Bushiroad in 2013, and was signed to New Japan Pro Wrestling (NJPW) shortly after, but didn't begin training until 2015 as he was still in university at the time. Oka is an avid anime fan, citing Milky Holmes as his favourite anime. In the past, Oka has also competed in judo, karate, sambo, kickboxing, pankration, jiu-jitsu and mixed-martial arts.

Professional wrestling career
Oka began training with New Japan Pro Wrestling (NJPW) in 2015, and made his in-ring debut on February 25, 2016, losing to fellow rookie Katsuya Kitamura in a dark match. Oka once again lost to Kitamura in a dark match on September 1. Oka made his televised debut on January 3, 2017, losing to his trainer Yuji Nagata. Oka once again lost to Nagata on January 27, January 31, and February 2. On February 9, Oka, Yoshitatsu and Henare were defeated by Nagata, Hirai Kawato and Jushin Thunder Liger. Oka's first victory came on February 21, when he defeated Henare via referee stoppage after Henare suffered an ankle injury during their match.

In wrestling

 * Signature moves
 * Boston crab
 * Dropkick
 * Lariat