"She looked so white, you'd think she'd just seen the malach ha-mavet." (Glinert)

"We had heard even before the war what the Gestapo was: the Gestapo members beat and murdered their political opponents, tortured them in concentration camps; they were deadly and the marking on their uniforms was a skull. Each of them was a malekh-hamoves [angel of death]." (source)

"For those who may be unaware, in Yiddishkeit, Satan is a tool of Hashem. As the Gemorah in Bava Basra says, Satan, the Yetzer Hara, and the Malach HaMoves are the same entity, and that Satan does his actions 'Leshem Shomayim' (or he at least claims to do so)." (source)