Sheik

Sheik is a character that Zelda can turn into in the Legend of Zelda series. Sheik is the alter ego of Zelda in The Legend of Zelda Ocarina of Time. Zelda disguises herself as a male using magic so she can aid Link in his quest. His decription in Super Smash Bros. Melee refers to him as a female.

Zelda can also turn into Sheik in the Super Smash Bros. series.