Christy Xanadu, who also goes by the title Madame Xanadu, is a millionaire who owned the Madame Xanadu V-R Arcade in New Atlantis. Xanadu secretly worked with Lori Lemaris and Mary Marvel in sharing the masquerading identity of the Joker, which Xanadu used her fortune to financed equipment and technology for the Joker alias.
Following the Superman's rule over Earth, he discovered the identities of the Joker in which Marvel was killed and Lemaris being imprisoned for a decade. Xanadu's actual fate, however, remains unknown.
- 3 Appearances of Christy Xanadu (Earth-9)
- 1 Images featuring Christy Xanadu (Earth-9)
- Quotations by or about Christy Xanadu (Earth-9)
- Character Gallery: Christy Xanadu (Earth-9)
Tangent Comics Character