Moses
Deuteronomy 9:20BSB·traditional attribution

The LORD was angry enough with Aaron to destroy him, but at that time I also prayed for Aaron.

John Calvin Reformed @genevareformer

20. And the Lord was very angry with Aaron It hence appears how vain are the pretexts whereby men endeavor to conceal their faults, until they are subdued by genuine fear of God to acknowledge their guilt. Although Aaron did not boast that he was altogether innocent, still he endeavored to blot out, or at any rate to extenuate the enormity of his crime by...

Matthew Henry Presbyterian @wholebiblehenry

That they might have no pretence to think that God brought them to Canaan for their righteousness, Moses here shows them what a miracle of mercy it was that they had not long ere this been destroyed in the wilderness: "Remember, and forget not, how thou provokedst the Lord thy God (Deu 9:7); so far from purchasing his favour, thou hast many a time laid...

Commenting on Deuteronomy 9:7-29

John Gill Reformed Baptist @doctorgill

And the Lord was very angry with Aaron, to have destroyed him,.... For complying with the request of the people in making a calf for them, and for that miserable shift he made to excuse himself; which so provoked the Lord, that he threatened to destroy him, and he was in danger of being cut off, had it not been for the intercession of Moses...