Moses
Exodus 12:22ESV·traditional attribution

Take a bunch of hyssop and dip it in the blood that is in the basin, and touch the lintel and the two doorposts with the blood that is in the basin. None of you shall go out of the door of his house until the morning.

Matthew Henry Presbyterian @wholebiblehenry

I. Moses is here, as a faithful steward in God's house, teaching the children of Israel to observe all things which God had commanded him; and no doubt he gave the instructions as largely as he received them, though they are not so largely recorded. It is here added, 1.

Commenting on Exodus 12:21-28

John Gill Reformed Baptist @doctorgill

And ye shall take a bunch of hyssop,.... Which some take to be "mint", others "origanum" or "marjoram", as Kimchi (s), others "rosemary", as Piscator, Rivet, and many more; and indeed this seems to be fitter to strike or sprinkle with than hyssop; but it is more generally understood of hyssop, because the Hebrew word "ezob" is so near in sound to it; though whether...

Jamieson-Fausset-Brown Reformed @jfbcommentary

UNLEAVENED BREAD. (Exo. 12:15-51) Seven days shall ye eat unleavened bread, &c.--This was to commemorate another circumstance in the departure of the Israelites, who were urged to leave so hurriedly that their dough was unleavened (Exo 12:39), and they had to eat unleavened cakes (Deu 16:3).

Commenting on Exodus 12:15-51