Is the horror legend of the SD doll true? With a soul An SD doll was a type of simulation doll, usually made of resin or other materials, with various expressions and actions. In some people's memories, SD dolls seemed to have some kind of supernatural power, could communicate with people, and had souls. However, the scientific community generally believed that SD dolls were just fictional toys without real souls or supernatural abilities. Although some people would buy SD dolls as collectibles or toys, they were just fictional products without actual life or soul. Therefore, the horror legend of the SD doll may be fictional and should not be regarded as a real event.