I was very ashamed that I did not thank the author of the grid Ɑaddybenji .  I was very inspired by his work which was called "Onoskelis".   I just showed my wildest fantasies actually my demon / succubus concurrently a huge leech .  If you look at its appearance differently , then perhaps you will see a huge fish from which this demon appears ( as if he has 3 mouths ) .  Just the same monster ( graboid ) from the movie ( Tremors) .   ... although , the demon is still more