Zahk Donovan, the final boss of Discord mods who has a reality-glitching cult in the Paris Catacombs 5NJMKXD
Spirist, the Spanish masquerade ghost whose acting skills are enhanced thanks to using straight-up possession 5NJMKXD
Urgagl, an undead pile of extradimensional neurons who lives a glitchy life as a professional clown 5NJMKXD
Mafula, the mafioso vampire bat with teeth knives and an impressive criminal record (The Flittermouse Vinemon) 5NJMKXD