Moses
Exodus 10:6ESV·traditional attribution

and they shall fill your houses and the houses of all your servants and of all the Egyptians, as neither your fathers nor your grandfathers have seen, from the day they came on earth to this day.’” Then he turned and went out from Pharaoh.

Matthew Henry Presbyterian @wholebiblehenry

Here, I. Moses is instructed. We may well suppose that he, for his part, was much astonished both at Pharaoh's obstinacy and at God's severity, and could not but be compassionately concerned for the desolations of Egypt, and at a loss to conceive what this contest would come to at last.

Commenting on Exodus 10:1-11

John Gill Reformed Baptist @doctorgill

They shall fill thy houses,.... The king's palace and all the offices of it: and the houses of thy servants; the palaces of his nobles and courtiers: and the houses of all the Egyptians; of all the common people, not only in the metropolis, but in all the cities and towns in the kingdom; and so Dr.

Adam Clarke Methodist @methodicalclarke

They shall fill thy houses - Dr. Shaw mentions this circumstance; "they entered," says he, "Into our very houses and bed-chambers, like so many thieves." - Ibid. p. 187.