Sokichi Narumi (A.R. World)

"I don't know who you are, but you have a nice face, boy. The way you wear your hat is proof you are a full man. I am Kamen Rider Skull. Let's meet again, somewhere in the world."

- A Soukichi Narumi from another world meets Shotaro.

This Kamen Rider Skull (仮面ライダースカル) is a version of Soukichi Narumi (鳴海 荘吉) from another world. He met the prime reality Shotaro Hidari, Philip and Akiko Narumi after Tsukasa Kadoya (Kamen Rider Decade) handed Shotaro a Kamen Ride card with Skull's image on it. This Soukichi Narumi came through a dimensional wall, who praising Shotaro's his determination before returning to his world.

Portrayal
As with the original, this version of Soukichi Narumi is portrayed by singer-songwriter Koji Kikkawa (吉川 晃司).