Hound

The "Hounds" are a large predatory creature found in the Sphere, the appear to be roughly as large as lions and serve a supporting role to the Hunters. When attacking, they can knock Tommy around and temporarily impair his vision. They can also rear up on their hind legs and walk on them for better striking. These creatures began their lives as normal animals, but they were mutated changing not only altering their physical appearance, but it ramped up their instincts as well.

Trivia

 * Hounds resemble Xenomorphs from Aliens series.