Freezor

Freezors are icy humanoids that disguise themselves as similar-looking wall reliefs, emerging when approached. They always face south and can move forwards and backwards very quickly, but sideways extremely slowly as they erratically pursue Link. They are immune to all non-fiery attacks.

The Legend of Zelda: A Link to Past
In The Legend of Zelda: A Link to Past, Freezors appear in the Ice Palace. They can be defeated with either the Fire Rod or Bombos Medallion.

The Legend of Zelda: A Link Between Worlds
In The Legend of Zelda: A Link Between Worlds, Freezors appear in the Ice Ruins. They can only be defeated with the Fire Rod. They are among the only returning enemies to keep their original movement restrictions.