This page is about the Jonathan Chiller alter-ego. You may be looking for Madame Doom.
Madame Doom is one of the disguises of Jonathan Chiller. She first appeared in Weirdo Halloween, where she met Meg Oliver. She reappeared in The Horror at Chiller House.
Trivia[]
- Madame Doom is the only female disguise; Chef Belcher, Winner Taikall, Seymour Winn-Doe, Murder the Clown and Mondo the Magical are all male.
- Madame Doom is a human in the book, however she is depicted as a Horrorland horror in the artwork on the cover of the book.