. Ahuizotl  is a legendary creature in Aztec myth. Known as the "Thorny One of the Water". It was described as dog-like, with hands capable of manipulation and an additional hand on its tail. The ahuizotl was feared due to its liking for human flesh, especially nails, eyes, and teeth. It was said to live in or near the water and uses the hand on the end of its tail to snatch its prey. He also is the only villain from mlp who actually tried to kill his enemy.

Also ahuizotl was literally Aztec for water monster. supposedly it could imitate the sound of a crying infant to lure its prey closer.