Twinrova

Twin Witches who have the powers of Fire & Ice. Their names are Koume and Kotake.

Ocarina of Time
They are described as Ganondorfs seragant mothers. Link fights them as the Spirit Temple Boss.

Oracle of Ages & Seasons
In a special linked game ending you will get to fight them and Ganondorf.

Other Appearences
In Majora's Mask their alternate parrelel forms sell potions and give boat tours.