Body-chan is a fictional character from the Kamen Rider series, known for being a versatile and adaptable figure often used in illustrations and art references. Despite being a mannequin-like figure, Body-chan plays a crucial role in the series, providing a unique perspective on the physicality and movements of the Kamen Riders. Her presence is often utilized to demonstrate the physical capabilities and fighting techniques of the Riders, making her an essential part of the series for both educational and entertainment purposes.