The Holy Spirit is an integral, supernatural element of the Trinity. Neither God nor Jesus created the Holy Spirit for the Spirit is One with God, yet a Divine Person truly distinct from the Father and the Son. You have heard of him, but do you truly know Him?
This, blended unity of perfection of the Father, the Son, and the Holy Ghost, is the Oneness of the Divine Godhead. The Holy Spirit is so monumental to and for the salvation of the entire human race—that God Himself introduces Him to us in the second line of Genesis. "Now the earth was formless and empty, darkness was over the surface of the deep, and the Spirit of God was hovering over the waters." Throughout the King James version of the Old and New Testaments, the word "Spirit"—in capitalized form, appears over 520 times. Other, various titles describing the Spirit refer to particular characteristics like "Breath Of The Almighty" as found in Job 33, or "Spirit of Truth" in John 16, and "Spirit of holiness in Romans 8.
1 John 5:7 says: For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one. The Holy Spirit is the third person in the Godhead, and as such has many roles and purposes. So, let me share a few facts that you may or may not have known.
We need to recognize that the Holy Spirit can blend into any form, even an actual person whenever He wished to do so. Although the Holy Spirit has apparently never appeared on earth as a human, on three occasions the Spirit has entered an existing human body to speak and act to bring deliverance, affirmation, or judgment to bear in specific situations. The Bible mentions the apostles were spoken to by the Holy Spirit. Once, He spoke to separate Saul and Barnabas for the continuation of the ministry. There is also the account of the Holy Spirit forbidding Paul to go to Asia to preach the gospel. Paul also stated "the Holy Spirit was continually telling him, in city after city, what would happen if he traveled to Jerusalem. The Bible does not state exactly how that occurred.