So it’s Passover. The Angel of Death came and killed a bunch of people.
Does the Angel of Death show up anywhere else in the Bible besides the Passover story? Do we know anything more about the Angel of Death from apocryphal or secondary sources?
For a quick-n-Easy cite, here’s what Wikipedia has to say:
Destroying angel (Bible)
The Hebrew Bible, and then Christian and later Jewish sources, make frequent mention of one or more destroying angels, which in Proverbs 16:14 are termed the “angels of death” (malake ha-mawet) and also archangels of death “The wrath of a king [is as] messengers of death: but a wise man will pacify it.”
The Hebrew Bible includes the Destroyer (ha-mashḥit) who at the Passover in Exodus killed the firstborn of Egypt. Later a “destroying angel” (mal’ak ha-mashḥit) kills many of the inhabitants of Jerusalem in 2 Samuel 24:15. While in the parallel passage in I Chronicles 21:15 the same “angel of the Lord” is seen by David to stand “between the earth and the heaven, with a drawn sword in his hand stretched out against Jerusalem.” Later the angel of the Lord kills 185,000 men of Sennacherib’s Assyrian army, thereby saving Hezekiah’s Jerusalem in II Kings 19:35. A different term for “destroyer” (memitim) is found in Job 33:22.[1]
In the Hebrew Bible, the destroying angel (Hebrew: מַלְאָך הַמַשְׁחִית, malʾāḵ hamašḥīṯ), also known as mashḥit (מַשְׁחִית mašḥīṯ, 'destroyer'; plural: מַשְׁחִיתִים, mašḥīṯīm, 'spoilers, ravagers'), is an entity sent out by God on several occasions to deal with numerous peoples.
These angels (mal’āḵīm) are also variously referred to as memitim (מְמִיתִים, 'executioners, slayers'), or, when used singularly, as the Angel of the Lord. The latter is found in Job 33:22, as well as in Proverbs 16:14 i...
Azrael is a named sometimes used. Information for Judaism, Christianity, Islam, and Sikhism(!). See the previous link for more names for different angels.