Nakajima's height is 1.75 m and he weighs 87 kg. He was born in
Fukuoka, Fukuoka, Japan on 11 Mar 1988. His nickname is Genius Of The Kick. Nakajima's signatures moves are Vertical Spike, Death Roll and High-Angle German Suplex Hold. He has wrestled under the ringnames Christmas Tree, Katsuhiko Nakajima.