Hounds are grey  dog-shaped humanoids with black hair and sharp teeth.

Hounds are very dangerous and will attack running and jumping at all fours like a dog

to its victim to eat him alive.

As mentioned above, hounds always walk on all fours like a dog. 
They have red glowing eyes that glow in the dark.

HABITAT

Hounds are mostly found in inferior levels of the backrooms, not counting Level 0

since that’s the level the Bacteria monster calls home. a example of level that

contains hounds is Level 1.