Crest of the Gerudo

The Gerudo symbol is an emblem which first appears in Ocarina of Time, and has been a recurring element is many other games in the Zelda series. It is frequently seen in connection with the Gerudo tribe. so whether the items with symbols belonged to the forces of evil or not, it is a cameo through the Zelda games. In Ocarina of Time, it appeared almost identical to a horizontally mirrored Islam symbol, but was replaced with the current one in Master Quest, likely to prevent offending Islamists.

Master Quest
The symbol appears first and most frequently in Master Quest. It replaces all instances of the crescent-moon symbol from Ocarina of Time, appearing on the Mirror Shield, as well as on all of the game's floor-switches and blocks. It also features on the Gerudo flag.

Majora's Mask
In Majora's Mask, the Gerudo Symbol appears within the Pirates' Fortress. After Link has forced Aveil to flee her chamber, a framed picture can be found within the chamber displaying the symbol.

Oracle Series
Both Veran from Oracle of Ages and Onox from Oracle of Seasons display the symbol on their armor. Onox has the symbol emblazoned across his chest plate, whereas Veran displays the symbol wrapped around both of her shoulder pads.

The Wind Waker
In The Wind Waker, the symbol can be found within the Master Sword chamber in Hyrule Castle, beneath the Great Sea. The chamber has seven magnificent stained glass windows, each representing one of the Seven Sages. A slightly modified version of the Gerudo Symbol appears within the window representing Nabooru.

Twilight Princess
The most recent instance of the symbol is in Twilight Princess, where a stylized version features on the red tabard section of Zant's outfit. Also, a slightly altered and simplified version of the symbol can be seen on Ganondorf's cloak.