When YHWH first appears in history he had spoken to the people of Sumaria, located in what is now known as Iraq. At the time people viewed the world mostly as a community rather than people viewing themselves as individuals so it was never recorded in history as who he showed himself to first.
Answer 2:
Wouldn't it be Adam, the first created human. Biblical history tells that after Adam and Eve sinned, they hid themselves from YHWH. So there must've been some form YHMH revealed himself to them for them to wanted to hide from him.
The name Yahweh is derived from the Hebrew language and is often associated with the God of Israel in the Hebrew Bible. It is considered the personal name of God in the Hebrew scriptures, particularly in the Old Testament. The origins and exact pronunciation of the name are debated among scholars.
Most likely it was right after Adam's creation. His relationship with Jehovah God was close enough so that it would make sense that He would tell him what His name was. (Genesis 2:15; 3:8-9) After Adam and Eve sinned and had children, the scriptures make it clear that they knew who Jehovah was since they started "calling upon" His name. (Genesis 4:26) (New World Translation of the Holy Scriptures)
He revealed that he can read minds.
The name Yahweh came from secular and Christian scholars. It is an invented word that refers to the God of Abraham. It is a reconstructed word which takes the consonants of God's name from the Bible (YHVH) and attempts to make them into a pronounceable word.
The first person he reveals himself to is his Son.
jehova
Mary of Magdalen. She went to see the tomb of Jesus, and when she got there the stone that was supposed to cover the entrance was moved. At first she thought that someone had taken the body. But then Jesus revealed himself to her telling her not to cling to him.
Wilhelm Wundt (1832-1920) was the first person to call himself a psychologist. In 1879, he founded one of the first psychological laboratories in Leipzig, Germany.
God is first referred to with the Hebrew name 'Yahweh' in Genesis 2:4--'These are the generations of the heavens and the earth when they were created. In the day that the LORD [Yahweh] God made the earth and the heaven'. In English, the convention is that Yahweh is translated as 'LORD' (in small caps), and occasionally it is translated as 'GOD' or 'JEHOVAH'. In the King James Version, Yahweh is translated as 'LORD' 6,510 times, 'GOD' 4 times, and 'JEHOVAH' 4 times.
The holy Qur'an was revealed to the last Prophet Hazrat Muhammad (SAW). He is the first person who memorized it.
His last name was never revealed however it's entirely possible Niles WAS his last name so his first name was never revealed.
Elliott is derived from the first name Elias. Elias is a cognate of Elijah. It is Hebrew and means "my God is Yahweh". Yahweh is a Hebrew God.