Shuryou Shocker, known as ショッカー 首領 in Japanese, is a recurring antagonist in the Kamen Rider franchise and makes a notable appearance in Kamen Rider OOO. As the enigmatic leader of the evil organization Shocker, he orchestrates various schemes to conquer the world and defeat the Kamen Riders. Shuryou Shocker is characterized by his mysterious presence, commanding authority, and unwavering ambition, making him a persistent threat and a symbol of the series' villainous forces.