Gouki

Kamen Rider Gouki (仮面ライダー剛鬼, Kamen Raidā Gōki?) is an Oni whose name means "Manly Demon".

Arsenal and techniques
 * Henshin Onsa Onkaku (変身音叉・音角?): A bronze tuning fork transformation device.
 * Meitō Onsaken (鳴刀・音叉剣?): The Onkaku's sword form.
 * Ongekiko (音撃鼓?): A taiko buckle.
 * Ongeki Ō Ichigeki Dotō (音撃殴・一撃怒涛?): Ongeki Finisher.