Ice Keese

Ice Keese are recurring enemies in the Legend of Zelda series. They are identical in appearance to normal Keese, but are wreathed in Blue Fire that freezes Link upon contact. They are prevalently found in dungeons, generally in colder regions.

The Legend of Zelda: Ocarina of Time
Keese dive into pillars of Blue Fire to light themselves. Thus, they only appear where there is Blue Fire present. The Ice Keese's attack causes Link to become encased in a block of ice and take damage until the ice thaws. Ice Keese retain their flames after Link has come in contact with them, unlike Fire Keese.

The Legend of Zelda: Majora's Mask
Ice Keese are uncommon enemies that appear only in Snowhead and Beneath the Well. While visually identical to the Ice Keese from Ocarina of Time, these enemies' flames are extinguished once they have come in contact and freeze Link or if they hit his shield.

The Legend of Zelda: Twilight Princess
Unlike average Keese, Ice Keese freeze and damage Link if he comes into contact with one. Also, like in Ocarina of Time, they cannot be reverted to normal Keese in any way.

The Legend of Zelda: Phantom Hourglass
Ice Keese are only found in the Temple of Ice, where they act like normal Keese, but freeze on contact. They can be defeated with any ranged weapon; the Boomerang is especially effective.

The Legend of Zelda: Spirit Tracks
Ice Keese appear as enemies. Link can kill the Keese with the Boomerang, the Bow, or the Whip. The Whirlwind reverts the Ice Keese into normal Keese and stuns them. If an Ice Keese touches Link, it will freeze him, and then fly towards a torch with Blue Fire, to re-ignite itself.