| Madame Xanadu | |
|---|---|
 Madame Xanadu as depicted in promotional art for Day of Vengeance #1 (June 2005). Art by Walt Simonson. | |
| Publication information | |
| Publisher | DC Comics |
| First appearance | Doorway to Nightmare #1 (February 1978) |
| Created by | David Michelinie Michael William Kaluta |
| In-story information | |
| Alter ego | Nimue Inwudu |
| Species | Homo magi |
| Place of origin | Earth |
| Team affiliations | Sentinels of Magic Demon Knights Justice League Dark Justice League |
| Partnerships | Spectre |
| Abilities | Precognition, sense and interpret magical forces Immortality |
Madame Xanadu is a comic book mystic published by DC Comics. The character is identified with Nimue, the sorceress from Arthurian mythology made popular by Sir Thomas Malory's Le Morte d'Arthur.
The character was played by Jeryl Prescott in the television series Swamp Thing.