Religion: not determined yet
Name: Mistress Midnight
Alter Ego: Vivienne
Other Names: Mistress Twilight; Mistress Serenity
Publisher(s): New Universe
First Appearance: Nightmask #2 (Dec. 1986): "Hide and Seek!"
Super? (Has Super Powers/Special Abilities/Technology): Yes
Number of Appearances: 2
Birth Place: France
Vivienne, the daughter of a French prince, was previously a patient at the Kleinmann Institute in Zurich, Switzerland. Dr. Horst Kleinmann sent his agents (Udo and Gian) to recruit Vivienne. Once Dr. KLeinmann established Vivienne as his agent, he assigned her to eliminate Nightmask (Keith Remsen). Vivienne became the villainess "Mistress Midnight" and attacked Nightmask, but he defeated her.
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