Midna

Midna is a main character in Twilight Princess. By the end of the game, it is revealed that Midna is the Twilight Princess. She is from the Twilight Realm and is the ruler of it and the Twili race that dwell there. She, herself, is also a part of the Twili race. She tried to use link for her own good. Midna possess one piece of the fused shadows before she meets link.