Moses
Leviticus 8:11BSB·traditional attribution

He sprinkled some of the oil on the altar seven times, anointing the altar and all its utensils, and the basin with its stand, to consecrate them.

Matthew Henry Presbyterian @wholebiblehenry

God had given Moses orders to consecrate Aaron and his sons to the priests' office, when he was with him the first time upon mount Sinai, Ex. 28 and Exo 29:1, where we have also the particular instructions he had how to do it. Now here we have, I. The orders repeated. What was there commanded to be done is here commanded to be done now, Lev 8:2, Lev 8:3.

Commenting on Leviticus 8:1-13

John Gill Reformed Baptist @doctorgill

And he sprinkled thereof upon the altar seven times,.... The altar of burnt offering; the order for anointing it is given in Exo 30:28 but in that no directions are given for the manner of doing it by sprinkling, nor the number of times it was to be sprinkled: hence Jarchi confesses his ignorance, and says,"I know not how it was ordered about these sprinklings;''but...

Keil & Delitzsch Lutheran @keilanddelitzsch

Lev 8:6-13 The washing, clothing, and anointing. - Lev 8:6. “Moses brought Aaron and his sons, and washed them with water;” i.e., directed them to wash themselves, no doubt all over, and not merely their hands and feet. This cleansing from bodily uncleanness was a symbol of the putting away of the filth of sin; the washing of the body, therefore, was a symbol of...

Commenting on Leviticus 8:6-13