Mask: Kakama, Mask of Speed
Tools: Sword, claw
Powers and abilities: Gravity control
Current location: Unknown
Biography: Nidahk was once a Matoran. He lived on an island with other Matoran, Turaga and wild Rahi. The Rahi went crazy once every year, and none of the islanders knew why. They had a well protected village on the island where they moved to when the Rahi went crazy.
One day, while the islanders were running to their safer village, Nidahk and his best friend Notuka got separated from the group when they were ambushed by a Nui Jaga (a giant scorpion). They got trapped on the edge of a cliff. The Nui Jaga accidentally broke a part of the cliff and Nidahk fell into the sea. That is when his adventure began.
Eventually, Nidahk was transformed into a Toa. He then went on a mission to save the world from a dangerous Makuta.
Tools and abilities: Nidahk carries a big sword in his right hand. In stead of a left hand, he has a claw. He's also well-armored.
Nidahk can control Gravity. Using this power, he can fly. The blades on his back help him fly more easily.