'O God' in the Bible

Adoni-bezek said, “Seventy kings with their thumbs and big toes cut off used to gather up scraps of food under my table; as I have done [to others], so God has repaid me.” So they brought him to Jerusalem, and he died there.

So on that day God subdued and humbled Jabin king of Canaan before the sons of Israel.

Then Gideon said to God, “If You are going to rescue Israel through me, as You have spoken,

Then Gideon said to God, “Do not let your anger burn against me, so that I may speak once more. Please let me make a test once more with the fleece; now let only the fleece be dry, and let there be dew on all the ground.”

For behold, you shall conceive and give birth to a son. No razor shall come upon his head, for the boy shall be a Nazirite [dedicated] to God from birth; and he shall begin to rescue Israel from the hands of the Philistines.”

But He said to me, ‘Behold, you shall conceive and give birth to a son, and now you shall not drink wine or [any other] intoxicating drink, nor eat anything [ceremonially] unclean, for the boy shall be a Nazirite to God from birth to the day of his death.’”

Then [finally] he told her everything that was in his heart and said to her, “A razor has never been used on my head, for I have been a Nazirite to God from my mother’s womb. If I am shaved, then my strength will leave me, and I will become weak and be like any [other] man.”

Then Samson called to the Lord and said, “O Lord God, please remember me and please strengthen me just this one time, O God, and let me take vengeance on the Philistines for my two eyes.”