Dr. Hank, Angels were often seen by characters in the Bible and appeared to them in the form of men. Being that Satan and his demons are themselves fallen angels, are they also able to be seen and appear to us as men/human beings? If so, that could raise alot of questions as to the validity of the Bible… Wouldn’t it?
Satan will make an appearance in the form of a man during the tribultation period. THE ANTICHRIST; called the MAN OF SIN, the SON OF PERDITION, etc.