naenia (vanitas no carte)
Naenia (ネーニア, Nēnia) is a major antagonist from Jun Mochizuki's The Case Study of Vanitas. She is the mysterious ethereal entity responsible for infecting curse-bearing Vampires with Malnomen in a hunt for their True Names. She is a member of Charlatan, who help facilitate her creation of curse-bearers to yet unclear ends. As her goal and very existence is in direct opposition to that of Vanitas and Noé, who fight to cure curse-bearers, she and they remain in constant conflict for the duration of the series.