Reek

The Kilaaks used numerous giant creatures from other worlds in their attack on earth one of these was the Reek a species of reptomammals from a distant dimension. The reek are 30 meters tall at the shoulder and their hides are immune to artillery and laser fire and have dangerous horns and instead of teeth they have solid bone plates that sheer through the tough foliage of their home world. The Reek gets their name due to the noise they make,the one the Kilaaks used was killed by Angilas