Kugai Kudo (狗道 供界, Kudō Kugai) is the main antagonist of Gaim Gaiden: Kamen Rider Duke. He was a researcher of Yggdrasill Corporation who transformed into Kamen Rider Saver (仮面ライダーセイヴァー, Kamen Raidā Seivā).
Kamen Rider Saver has been suggested to play 7 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.