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The rat kwami or mouse kwami is a kwami that is connected to the Rat Miraculous. With their power, its wearer can use the Miraculous to transform into a rat-themed superhero. They are currently dormant in their Miraculous in Master Wang Fu's jewelry box, as seen in "Sapotis".
The rat kwami is light gray with a small body, two whiskers, and a thin tail. They have pink eyes and gray ears with the insides being pink.
The rat kwami can fly, levitate, and phase through solid objects. They can also carry objects that are larger and/or heavier than them.
As a kwami, the rat kwami is able to transform the holder of the Rat Miraculous into a rat-themed superhero, although it is unknown what the transformation looks like or what powers the transformed person gains.
Before Season 2
Before the Miraculous jewels were created, the rat kwami and the other kwamis traveled all over the universe unable to interact with humans. Then, thousands of years ago, a mage created the Miraculouses. When its Miraculous was not being worn, the rat kwami was dormant in the Rat Miraculous, which was stored inside Wang Fu's Miraculous jewelry box.
As of season 2, the rat kwami has lain dormant in the Rat Miraculous.
- The rat kwami was first revealed from a second season trailer on August 31, 2017.
- Rats are symbols for many things, including success, ambition, kindness, and resourcefulness.
- The rat is the first animal of the Chinese zodiac.