|Weapons||Tidal Spear and Rhotuka Launching Shield|
|Kanohi||Great Mask of Clairvoyance (allows the user to see into the future)|
|Allies||Toa, Matoran, Turaga, Keetongu|
|Enemies||Visorak, Roodaka, Sidorak, Teridax|
|Voiced By||Kathleen Barr (as a Rahaga)|
Gaaki is the Toa Hagah, and formerly Rahagah, of Water. As a Toa of Water, Gaaki can create, control, and absorb water. This also gives her the ability to control water, create storms, and cause floods. These abilities were lost when she was turned into a Rahaga, but she has since regained her powers. Her Rhotuka spinner as a Rahaga was used to capture Rahi by flowing through the depths of water, attaching itself to the target, and floating them up towards the surface. As a Rahaga, she was feisty and always wanted to prove herself as good a Rahagah as the rest. She was also a translator, and her area of expertise was the capture of water Rahi. She always wanted to show the other Rahaga that she's a great expert in the capture of Rahi.