A changeling is one child substituted for another. I couldn't find anything more apt. We had to kind of fight that supernatural element in the publicity, and I offered to try and find another title, but Clint liked it, and it stayed.
-- J. Michael Straczynski
   
J. Michael Straczynski   Name:
J. Michael Straczynski
Type:
Producer
Nationality:
American
Birth:
July 17, 1954
https://www.nutquote.com/quote/J._Michael_Straczynski