The only thing i have to offer is 3 words “the unseen one” i was simply working in my practice and this came to my mind and was very strong. And since i love my online family here. Im asking if anyone has heard of this entity by this specific name?
The unconscious mind.
I’ve been contacted by an entity called “The hidden one” before. 
Sadly, however, I never did figure out their identity.
I swear that is a surname for something I have dealt with before. I believe its either a reference to Ahriman or a Mesopotamian entity.
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This might help you.
in My circumstance I had associated Balan with a ‘hidden one’ a while back- hope this may help in some way 