Powerpuff Girls - Action Eyes Doll - Buttercup Twist Buttercups head to change her expression! Buttercup is the muscle of the Powerpuff Girls! The ultimate tomboy, Buttercup marches to the beat of her own, giant rebel drum! Collect all of the Powerpuff Girls Action Eyes Dolls, Blossom, Bubbles, and Buttercup, for more crime-fighting fun (each sold separately)! Powerpuff Girls Action Eyes Dolls are for ages 5+. No batteries required.