Shocker Sentou-in are the foot soldiers of the evil organization Shocker in the Kamen Rider series. These minions serve as the primary antagonists' grunt forces, carrying out the villainous plans of Shocker's leaders. They appear in large numbers, often confronting Kamen Rider in battle. Their role is to provide obstacles and challenges for the hero, frequently engaging in combat and causing chaos. Despite their limited individuality, they are iconic for their masked appearances and unwavering loyalty to Shocker.