Moses
Exodus 6:2BSB·traditional attribution

God also told Moses, “I am the LORD.

John Calvin Reformed @genevareformer

2. And God spake. God pursues His address, that Moses may again uplift the fainting courage of the people. Moreover, He rebukes their distrust, by recalling the memory of His covenant; for if this had been duly impressed upon their minds, they would have been much more firm in their expectation of deliverance.

Matthew Henry Presbyterian @wholebiblehenry

Here, I. God silences Moses's complaints with the assurance of success in this negotiation, repeating the promise made him in Exo 3:20, After that, he will let you go. When Moses was at his wit's end, wishing he had staid in Midian, rather than have come to Egypt to make bad worse - when he was quite at a loss what to do - Then...

Commenting on Exodus 6:1-9

John Gill Reformed Baptist @doctorgill

And God spake unto Moses, and said unto him, I am the Lord. Or Jehovah, the self-existent Being, the Being of beings, the everlasting I am, the unchangeable Jehovah, true, firm, and constant to his promises, ever to be believed, and always to be depended on. And God spake unto Moses, and said unto him, I am the Lord.