Most likely God is mentioned in the Old Testament in what he said and did for His people.
In the Old Testament, God spoke to various individuals such as prophets, leaders, and ordinary people who had a special connection with Him.
In the Old Testament times this refers to Israel, God's chosen people. In the New Testament era, this is a reference both to the Jews, who remain God's chosen people and also to the Christians.
In the old testament a great deal of people as well as kings , prophets and queens are mentioned.So is God and the devil as well.
In the Old Testament, God was called Father to symbolize his role as the creator and protector of his people, similar to a father's care and authority over his children.
The Hebrew people
In the Old Testament, God is referred to as the father in terms of his role as the creator and protector of his people, Israel. This metaphor emphasizes his care, guidance, and authority over them.
In the New Testament it's Jesus Christ. In the Old Testament it's Jehovah -- God of the people of Israel.
In the Old Testament, God is often portrayed as a father figure to his people by providing guidance, protection, and discipline, much like a caring and authoritative parent would do for their children.
AnswerMalachi 3:6 For I am the LORD, I change not;
Many Gnostics saw the God of the Old Testament as an angry and capricious god, who demanded sacrifices, encouraged genocide and was vain, in that he demanded constant worship. They could not imagine that the God of the Old Testament could be the same god as the loving god of the New Testament. Because they could not see the Old Testament God and the New Testament God to be the same, they decided that the Old Testament God was a lesser god, who was not even aware of the New Testament God in the higher heavens. Thus, he believed himself to be the only God and the Lord of creation, but there was (in Gnostic view) a higher God. To many, it was not so much that the Old Testament God was evil, it was that he was wholly ignorant.
God would deliver them from the hands of their enemies.