In mythology, yes. Famous examples include hellhounds, Fenrir (Though that's arguable depending on whether you count monstrous as demonic), the Barghest, Inugami (technically just a spirit but often counted among Japanese yokai, which is loosely translated as monster or demon)
No demon dogs do not exist, the closet to a demon dog is a dog that has rapies.
According to the Christian teachings both God and the demons do exist.
Demons and Spirits exist as do Angels.
if you meant demons then yes demons exist in almost any religion except for Atheism Satanism and Scientology they do some people even have the gift of seeing demons
no. Demons and evil spirits do not exist.
No. Demons don't exist.
Demons don't exist.
Well, if you think demons exist, and if you believe they dance and stuff, then yes, but if you said no to all that, then your answer is nope.
No. There is no real scientific evidence for demons to exist.
I'm not sure what the question is but yes, they do exist.
No, but there are records of demons
They are a hound and have red eyes.
No, gingers did not exist back then. They were called demons