Spark Dolls

The MacGuffins of the the series Ultraman Ginga. They are the transformed bodies of Ultras, monsters and Alien.

History
Thousands of years before the present a villain wielding the Darkness Spark, transformed most of the Ultras, Alien and monsters of the Ultra series into Spark Dolls, still alive but imprisoned they slumbered. Through some unknown means they fell to Earth in a meteor shower. Years later Hikaru Raido found the Ginga Spark and the presence of this object caused the various Spark Dolls hidden around his hometown to being to activate. In response the Villain's lackey Alien Valkie began going about giving Dark Dummy Spark to corrupt minded individuals to sow chaos.

Trivia

 * The Spark Dolls are similar to the Ranger Key of Gokaiger, in that they hold the powers of the beings they resemble. Only in this case they are  the beings the represent.
 * The only known conscious Spark Doll appears to be Ultraman Taro, who will serve as the series narrator.