Stolen from Detective Comics #35, January 1940.
I always wonder: is there much fiction written in Asian or African languages where the authors have used totally made-up European gods and religions and ethnic groups? If anyone knows of such stuff, please to share your information.
While researching for Tamil Pulp Fiction Vol. II, we did find a Tamil pulp novel by Rajesh Kumar in which Coimbatore police detective Vivek solves a case of political intrigue in Coluba, a small independent island nation situated between the US and Canada... but that's the only example I know of so far.