Callum Newman is a British professional wrestler who debuted in 2018 and signed with New Japan Pro-Wrestling (NJPW) in 2023, where he is the leader of the United Empire stable. He made his G1 Climax debut in 2024 and, in 2026, won the New Japan Cup at just 23 years old, becoming the youngest winner in tournament history. At Sakura Genesis, he captured the IWGP Heavyweight Championship at 23 years, 7 months and 4 days, becoming the youngest champion in history and breaking the record set by Shinsuke Nakamura in 2003. He is also a two-time IWGP Tag Team Champion and was ranked No. 14 in the Pro Wrestling Illustrated PWI 500 in 2026. Before joining NJPW, Newman competed on the British independent scene under the names Tomar Vuelo and Dark Britannico, becoming a one-time RCWA British Tag Team Champion and two-time LLL Champion.