Not who, I know what I dislike, and I know what people do that I dislike.  Anyone who says that they know the Holy Ghost, is bamboozling you, know not what they are talking about, yet keep on talking as if they can activate the Spirit at will.  As the third part of the God head, She shares the attributes of immutability, omniscience, omnibenevolence, omnipotence...so we are told by the church.  She is then absolute, pure act by knowledge and will.  None of this are we privy to or can understand.