Singer and actor Koji Kikkawa (44) will be playing the role of a Kamen Rider in the franchise's next movie, "Kamen Rider x Kamen Rider Double & Decade Movie Taisen 2010." Kikkawa will appear in the film as Kamen Rider Skull, the first skull-themed Rider in the series' history.

Kikkawa's character is the famous detective Sokichi Narumi, a role model for the protagonist Shotaro (Ren Kiriyama), who is one half of the Kamen Rider Double team. Sokichi, who transforms into Kamen Rider Skull, holds the key to a mystery involving a resurrection, as well as the origin of Kamen Rider Double.

"Kamen Rider x Kamen Rider Double & Decade Movie Taisen 2010" opens in theaters on December 12.