Characters: Midna

Midna is a character in The Legend of Zelda : Twilight Princess .
She has a similar function to Navi's in Ocarina of Time and Tatl's in Majora's Mask , but she does not give informations about the enemies.
Biography:
Midna was the princess of the Twilight Realm and leader of the Twili .
When Ganondorf eluded Zant, he usurped the throne of the Twilight Realm and cursed Midna making her way with a form of an imp.
When Twilight covers Hyrule, Link meets Midna in wolf form and according to the culture of the Twili, their hero would come in the form of a sacred beast .
Midna first uses Link to get the 3 Fused Shadows for her to save her kingdom and return it to it's original state without worrying about Link's life or Hyrule.
After getting their 3 relics, Midna is almost killed by Zant due to exposure to light and the Link leads her to  Hyrule Castle to make Zelda heal her.
Zelda could heal Midna but she lost her strenght by doing that.
At the end of the game Midna wants to save both the Twilight Realm and Hyrule and even Princess Zelda, so Link agree in help defeating Ganondorf and save Hyrule and the Twili .
After Ganon's death, the curse on Midna is broken and she goes back to its original form.
Midna as she appears in the major part of the game (cursed)
Midna's true form.