No
Yes, the book in Evil Toons does have demonic powers.
He turns into a human. Hence why he doesn't want Narraku to find out his secret.
No. If I was or any body else, then I or they would probably have powers that are supernatural or demonic.
He does have a demon state it is like his regular one but he has strips and red eyes on his face. When he is human he is just normal but with black hair and no demonic powers. (in other words, the guy that wrote this answer has no clue)
What you are refering to is a quotation in the Bible about "Principalities and Powers". This is referring to two different types of demonic forces "Principalities" and "Powers" each with different unique (but unspecified) abilities.
Witchcraft involve summoning a soul to give their powers to the caster. So yes, witchcraft does result in demonic procession since the soul, often a demon, enters their body. However, the caster will often have control of the demon or fairy inside them, but the soul is still inside them so it is demonic procession.
Rin Okumura's sword is called the "Kurikara." It is a significant weapon in the anime and manga series "Blue Exorcist," and it has the ability to seal Rin's demonic powers. The sword is a katana that represents Rin's struggle between his human and demon heritage.
no
Pi is demonic
No, but human can get spirital powers. Search crystal and indigo children online for more info.
Raven's parents are Arella and Trigon in the DC Comics universe. Arella is a human woman who became pregnant with Raven while being manipulated by the demon Trigon, who is her father. This complex lineage is central to Raven's character, as she struggles with her demonic heritage and her desire to use her powers for good.
Mr. Hyde is a demonic man.