To properly understand who the Holy Spirit is, one must understand how the so-called trinity works...which is simply the Me, Myself, and I am, of God.
Thus, the Holy Spirit is God, but performs the duties of the office of spiritual matters, just as the body of a man does the work of the mind and heart of the man. Likewise, the body of Christ does the will of the Head, which we do by the same power of God, in spirit, which is the Holy Spirit.
but this is imagination and made up stuff and anti biblical which clearly states we cannot know the Holy Spirit imho - twinc