Edgar Allan Poe. "The Black Cat"

The Cat
As I wrote before, the Black cat represented fear and guilt and it might have been narrators imagination that formed these emotions into the beast and visualised them as a black cat. For Pluto, I think that it was a real pet. Maybe, folktales of that time formed the guilt in similar body to which the guilt was felt for in killer's mind.

It was his imagination because the cat's looks changed in a way the narrator felt about himself (white hair of cat and red eyes at the end of story), it's actions were related to feelings of the narrator (to find the hot breath of the thing upon my face, and it's vast weight[..] incumbent upon my soul) and the cat was never seen by anyone else except the man(landlord knew nothing about it and his wife may have stopped him not from killing his pet but from insane flaunting with an axe).

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