So the Morphic Earth setting has all sorts of supernatural forces and threats along with the usual cape-nonsense, including murderous revenants and other killers imbued with unnatural power. Basically Slashers, yeah.
And one idea I had in my head was a malicious (if jovial) ghoul who dug up bodies and used the soulless husks as his minions, twisting their bodies into horrid orientations and combinations.
The Overtaker.
"Dear Brothers and sisters! Come up for some air! The night is cool and the air is sweet... no time to rest on your laurels... not when the band is about to play, heheheheheehehe..."
I have a strong mental image of him singing this song as he gets to work:
https://www.youtube.com/watch?v=enfnYaIRLOA