Callum Newman is a British professional wrestler who debuted in 2018 with Project W and signed with New Japan Pro-Wrestling in 2023, joining the United Empire stable, where he is a two-time IWGP Tag Team Champion. He made his G1 Climax tournament debut in 2024, and in 2026 won the New Japan Cup at just 23 years old, becoming the youngest winner in the tournament’s history and earning an IWGP Heavyweight Championship opportunity. At Sakura Genesis 2026, 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, who won the title at 23 years, 9 months and 15 days. On the British independent scene, he wrestled under the names Tomar Vuelo and Dark Britannico, becoming a one-time RCWA British Tag Team Champion and two-time LLL Champion.