The creators of the Bionicle trilogy never wanted to show what a Matoran's, Toa's or Turaga's face actually looks like behind their masks. Every time a maskless character is seen, it is usually a side or back view. The small fire drones seen in Matoran Vakama's shop do seem to have Matoran faces, but they never face the camera long enough for the viewer to be able to get a good look at them. Unfortunately however, this decision to make the faces a mystery caused a critical continuity issue. When the Toa find the comatose Turaga Dume in an underground tunnel, he has his mask on - yet later Makuta Teridax is revealed to have stolen it from him months ago, and in fact, it is he who wears Dume's mask throughout the film.
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