'O God' in the Bible

And lord Bezek will say, Seventy kings with the thumbs of their hands and their feet being cut off, were gathering under my table; as I did so God requited me. And they will bring him to Jerusalem, and he will die there.

And Gideon will say to God, If thou art saving Israel by my hand, as thou spakest,

And Gideon will say to God, Thine anger will not kindle against me, and I will speak but this once: I will try now only this once upon the fleece; there shall be dryness to the fleece alone, and upon all the earth shall be dew.

For behold thee pregnant, and thou bearest a son; and a razor shall not come up upon his head, for the boy shall be consecrated to God from the womb: and he shall begin to save Israel from the hand of Philisteim.

And he will say to me, Behold, thee conceiving, and thou bearest a son; and now drink not wine and strong drink, and thou shalt not eat any thing unclean, for the boy shall be consecrated to God from the womb, even to the day of his death.

And he will announce to her all his heart, and he will say to her, A razor came not up upon my head, for I am devoted to God from my mother's womb: if I were shaved, and my strength removed from me, and I was weak, and was as all men.

And Samson will call to Jehovah, and will say, Lord Jehovah, remember me now, and strengthen me now but this once, O God, and I will avenge myself one vengeance for my two eyes of Philisteim.