Kamen Rider Yuuki

Kamen Rider Yuuki is the enemy Rider of the movie "Saraba Kamen Rider Den-O The Movie: Final Countdown". He has two forms: the Skull Form which G-Ryoutarou henshins into, and the Hijack Form which Shirou can assume. The theme of Kamen Rider Yuuki is the afterlife.

Shirou

死郎

Actor: Matsumura Yuuki 松村雄基

Shirou is the main antagonist of the movie.

Ghost Imagin

ゴーストイマジン

Voice Actor: Kamiya Hiroshi 神谷浩史 / Suit Actor: Yokoyama Kazutoshi 横山一敏

Ghost Imagin is one of the followers of Shirou and abducted Nogami Ryoutarou under Shirou's orders. He possessed Ryoutarou and took control of his body, turning into G-Ryoutarou.　G-Ryoutarou can henshins into Kamen Rider Yuuki Skull Form using the Yuuki Belt. He likes to fight, and doesn't seem to care when his comrade Imagins are destroyed by Kamen Rider New Den-O. When fighting in Skull Form he uses Ryoutarou as a shield so the others cannot attack, and manages to deal severe damage to Kamen Rider Zeronos and corners the Den-O Imagins several times. Eventually, by taking a fatal blow from Skull Form, Momotaros is able to help Ryoutarou regain control and separate Ghost Imagin from Ryoutarou. Ghost Imagin is destroyed by Kamen Rider Den-O Climax Form.

• Ghost Imagin: Ghost Imagin is a green skeleton wearing a black cape. It is unclear which fairy tale his design motif is based on and whether he has a contract holder.
• G-Ryoutarou: In this form Ryoutarou's eyes are in light golden color. His hair also turns light gold with bits of green highlights.

Kamen Rider Yuuki

仮面ライダー幽汽

Suit Actor: Yokoyama Kazutoshi 横山一敏

Phantom Train

幽霊列車 (Yūrei Ressha)

Trivia

• Shirou (死郎) basically means "dead person".
• At the time of the theatrical release, Ryoutarou possessed by Ghost Imagin is refer to as A-Ryoutarou ("A" stands for "Another"). However, according to a data file in the Director's Cut DVD and the "Kamen Rider Official Data File" magazine, this form is refer to as G-Ryoutarou ("G" stands for "Ghost").