Generate Death names randomly, Each name has its meaning for your reference. Such as Ghostpulse means Residual Energy Left Behind By Spirits Mordecai Blackheart means "Mordecai" Meaning "Warrior" And "Blackheart" Representing A Very Evil Man. You can choose the name you like best to use.
"Skull Crusher" representing someone who destroys skulls, a common symbol of death.
"scythe of death"
"Taker of all life"
"Bearer of the shadow of death"