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): Cliff Richey • Esteban Loaiza • Helma Knorscheidt • Henry Carter Adams • Jana Veselá • Jonah Jones • Mani Neumeier • Michal Řepík • Nigel Rudd • Robert Grant Aitken • Steve Bruce • William Heynes

Born in the same month (December 1989): Ashley Benson • Eric Bledsoe • Harri Säteri • Jane Levy • Kellie Harrington • Kevin Séraphin • Kyle Hendricks • Nicholas Hoult • Robert Turbin • Tomáš Kundrátek