Christ is the only *human* person of the Trinity. But God the Father and God the Holy Ghost are persons too. And they are all God. Jesus prayed to the Father, right? Who was he praying to? A non-person? The Holy Ghost descendended on Jesus at His baptism, right? Who was that? A non-person?

Where do you think the Bible comes from exactly? Who said "these are the true scriptures"? The Church did. The One True Church, founded by Jesus Christ, on the Rock of Peter. Do you say the Apostle's Creed?