For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.
Renee Weigel
Y'Shua always addressed YHVH as He taught us in the Fathers Prayer in
Matthew 6:8-15
Bruce Morgan
The Holy Spirit within us helps us pray as we ought:
In the same way, the Spirit helps us in our weakness. We do not know what we ought to pray for, but the Spirit himself intercedes for us through wordless groans. And he who searches our hearts knows the mind of the Spirit, because the Spirit intercedes for God's people in accordance with the will of God. Romans 8:26-27
Hairy Animals
I believe we should pray to the Father in the name of Jesus. John 14:13 tells us:
And whatsoever ye shall ask in my name, that will I do, that the Father may be glorified in the Son.