Moses
Leviticus 8:19ESV·traditional attribution

And he killed it, and Moses threw the blood against the sides of the altar.

Matthew Henry Presbyterian @wholebiblehenry

The covenant of priesthood must be made by sacrifice, as well as other covenants, Psa 50:5. And thus Christ was consecrated by the sacrifice of himself, once for all. Sacrifices of each kind must be offered for the priests, that they might with the more tenderness and concern offer the gifts and sacrifices of the people, with compassion on the ignorant, and on those that...

Commenting on Leviticus 8:14-30

John Gill Reformed Baptist @doctorgill

And he killed it,.... That is, Moses killed the ram, as the Septuagint version expresses it: and Moses sprinkled the blood upon the altar round about; as he did the blood of the bullock, Lev 8:15.

Keil & Delitzsch Lutheran @keilanddelitzsch

Lev 8:18-21 The sin-offering, through which the priests and the altar had been expiated, and every disturbance of the fellowship existing between the holy God and His servants at the altar, in consequence of the sin of those who were to be consecrated, had been taken away, was followed by a burnt-offering, consisting of a ram, which was offered according to the ordinary ritual of...

Commenting on Leviticus 8:18-21