Son of Abraham and Sarah, child of the promise. His name means laughter. He was laid on the altar on Moriah and not sacrificed. He married Rebekah, loved her, and fathered twins: Esau and Jacob. He was deceived in his old age into giving Jacob the blessing meant for Esau.
On their voice
~2000–1800 BCE. A quiet figure — the middle patriarch. He digs the same wells as his father, pastures his flocks, repeats some of his father's mistakes (the "she is my sister" lie). The Akedah is the defining event; he carries it without the text ever recording a word he said to his father after it.
Talk to Isaac.
Ask anything. In their own voice, from their own era, grounded in their own canon.