In Exodus 3, God reveals himself as the I AM. He is self-interpreting, not interpreted by anything else but revealed through his deeds.
Simple knowledge is supposed to describe God's a-temporal knowledge of temporal reality, but it creates significant issues.
In Genesis 15 we discover a God who shows unpredictable grace, promising to act in the most daring manner for his people's sake.
In the beginning we meet a God all-powerful yet approachable, reigning in heaven yet beside us. Portrait 1, from Portraits of a Great God.
Have you ever wondered what the OT background is for Matt 2:23, that "he would be called a Nazarene?" I have found this answer satisfactory.