Ryo Aitaka

Ryo Aitaka is a retired Japanese kickboxer, who competed in the cruiserweight and heavyweight divisions of K-1. He was a one-time K-1 Cruiserweight title challenger, having challenged for the title in 2020. In 2023, he took up professional wrestling, training at the Ibushi Prowrest Lab, and made his debut for Gleat on December 30, under the ring name Riki Aitaka . ^{Ryo Aitaka, Japanese kickboxer and professional wrestler}

31 December 1989

Born on the same birth date (31 December 1989): Kelvin Herrera

Born on the same birth day (31 December): Billy Snedden • Brent Barry • Corey Crawford • Don James (American football) • Friedrich Robert Faehlmann • Geoff Marsh • Henry Carter Adams • Jeremy Heywood • Jonah Jones • Kapiʻolani • Katie Volynets • Laxman Sivaramakrishnan • Rosalind Cash • Simon Forman

Born in the same month (December 1989): Ashley Benson • Drew Doughty • Hamza Riazuddin • Hellen Obiri • Katherine Schwarzenegger • Mackenzie Rosman • Nichole Sakura • Ryan Sheckler • Selçuk Alibaz • Taylor York • Tomasz Narkun