I think Yhwh/Jhvh is his name like Yeshua/Jesus is Christ's name.
If you read Genesis you will find that the patriarchs used the name Yhwh/Jhvh long before Moses etc.
God said I am Yhwh Gen 15:7, 18:14, 19, 28:13, Exod 3:15-16, 18
God said El/Eloah/Elohim Gen 9:6, 16, 17:7-8, 26:24, 28:13...