The Holy Spirit is

The Holy Spirit is one of the three persons of the Trinity – Father, Son, and Holy Spirit, and is Almighty God.  As such he is personal fully God, co-equal and co-eternal with God the Father and Son of God.

Verses found about the Holy Spirit:  John 14:26, Acts 2:38, John 14:15-17, Romans 15:13

It is said there are over 100 different labels or names for the Holy Spirit.  Below is a  list of common labels for the Holy Spirit found in the Bible.

Comforter / Counselor / Advocate / Revealer / Spirit of Truth / Spirit of God / Breath of the Almighty / Eternal Spirit / Spirit of life / Spirit of knowledge / Power of the Highest / Spirit of Might / Spirit of Adoption / Spirit of Prophecy / Free Spirit / The promised Holy Spirit / Spirit of Wisdom