Oleg Igorevich Boltin is a Kazakhstani professional wrestler and former amateur wrestler, including a gold medal win at the Asian Wrestling Championships, currently signed to New Japan Pro-Wrestling (NJPW) under the ring name Boltin Oleg. He made his wrestling debut at Wrestle Kingdom 17 in 2023, facing fellow Young Lion Ryohei Oiwa in a three-minute exhibition match. After graduating from NJPW’s Young Lion system, he officially joined the main roster at G1 Climax 34 in 2024. He is a one-time NEVER Openweight Champion, three-time NEVER Openweight Six-Man Tag Team Champion, and one-time NJPW STRONG Openweight Champion.