The Elizabeth Arkham Asylum for the Criminally Insane, commonly referred to as Arkham Asylum, is a fictional psychiatric hospital/prison, named after the city of Arkham which appeared first in the stories of H. P.
Add filmmakers and cast the films/shows/franchises (or concepts) that they were rumored, considered, offered, negotiated, turned down, and/or partially contributed before departing. (Please double-check in research.)