That formerly secret name is "Israel" and was first invoked over Jacob, who headed
the sign nation, and was invoked over Jacob as a sign of the adoption to come, into the New Man name, which Christ come in flesh will "write" upon [the regenerated flesh of], all the overcomers.
Isa 9:6 For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor,
The mighty God, The everlasting Father, The Prince of Peace.
Isa 54:5 For thy Maker
is thine husband; the LORD/YHWH of hosts
is his name; and thy
Redeemer [Kinsman] the Holy One of Israel;
The God of the whole earth shall he be called.
Rev 3:12 Him that overcometh will I make a pillar in the temple of my God, and he shall go no more out: and I will write upon him the name of my God, and the name of the city of my God,
which is new Jerusalem, which cometh down out of heaven from my God:
and I will write upon him my new name.
Jhn 14:18 I will not leave you
orphans: I will come to you.
Rom 8:15 For ye have not received the spirit of bondage again to fear;
but ye have received the Spirit of adoption, whereby we cry, Abba, Father.
We who are dead in Adam are made alive and adopted into the New Man name, and as His adopted sons, we are restored to all that Adam lost, and will reign with Him, as His sons, which is what Adam lost in the fall; and we will be reigning from Eden above, where the throne of God made for the Son of Man is -as Enoch saw.