Sheik

Sheik is the ninja-like alter ego of Zelda in The Legend of Zelda: Ocarina of Time, aiding Link as he adventures through Hyrule to awaken the seven sages. She is playable character in Super Smash Flash and Super Smash Flash 2.

Character description
In Ocarina of Time, after Link pulls the Master Sword from its pedestal, he ends up travelling 7 years into the future, opening the Sacred Realm and allowing Ganondorf to take the triforce. Due to his imbalance of wisdom, courage, and power, the triforce splits into the Triforce of Power, Courage and Wisdom, leaving Ganondorf only with the Triforce of Power.

He then starts seeking for Princess Zelda, in order to take her Triforce of Wisdom. In an attempt to hide her identity from Ganondorf, Zelda changes into Sheik, a mysterious character who, upon meeting Link, claims to be the last member of the Sheikah; a clan of warriors sworn to protect the Royal Family of Hyrule.

In Super Smash Flash
Sheik is a playable starter character in the original Super Smash Flash. Similarly to and, Sheik can transform interchangeably into  via her down attack.

In Super Smash Flash 2
Sheik is a playable starter character yet again, along with and her counterpart. She can transform into Zelda via her down special move or be selected from the character selection screen. Her moves are directly taken from Super Smash Bros. Brawl. Her sprite design is based on her appearance in Brawl, which was based on her planned appearance in The Legend of Zelda: Twilight Princess. She is ranked 1st of S tier on the current tier list.