The responsible and stubborn leader of the RoboRoids, but with a humorous side. The oldest of the RoboRoids.
A RoboRoid brimming with curiosity. Full of energy and constantly running around all over the place.
An ostentatious, cool-headed lone wolf RoboRoid. Tends to do different things from everyone else. Strength lies in stable designs.
An earnest but inefficient and somewhat clumsy RoboRoid. Tends to break machinery when working.
The doll that was once made in this factory. Falls into the factory unexpectedly one day and is led by curiosity to start playing with the RoboRoids, becoming more and more human every day.