And Gary Sinese’s Lt. Dan Band.
Aside from a small ABC sticker on the cover, the Castle novels are as real as can be. Why wouldn’t they count?
the famous 1949 “future issue” of Astounding Science Fiction:
The Church of All Worlds, from Heinlein’s Stranger in a Strange Land, inspired an actual Neo-Pagan group with that name and taking their ideas from the novel. They published Green Egg, probably the most influential Pagan magazine of its time.
I believe that Objectivism is another case of a philosophical (religious?) system derived from (acknowleged) fiction, though it is different from CAW in that it was actually encouraged by the author thereof, instead of springing up separately.
What about all of the Star Trek-inspired technology that has since become mainstream? Certainly not everything that the show ‘predicted’ has come into being *because *it was featured there, but I’m sure the show inspired at least one or two inventors…
“Hampster Huey and the Gooey Kablooie”, Calvin (from Calvin & Hobbes) favorite book was made into a real book later.
Everlasting Gobstoppers are (or were) an actual product sold in the US, but they weren’t everlasting, though this was most likely a product tie in, though they lasted for many many years after the movie was just another time filler, and may still be around, though I haven’t checked recenty.
The band Idlewild is named after the main character’s playhouse in the book “Anne of Green Gables”.
I think there have been some attempts to write the Necronomicon.
Modem manufacturer U.S. Robotics took its name from “U.S. Robots and Mechanical Men”, a fictional company in Isaac Asimov’s “Robot” series of stories.
And that short story was included in his short story collection, “The Island of Doctor Death and Other Stories and Other Stories”.
Yoyodyne was a fake company invented by Thomas Pynchon in his novel V.* He reused it in The Crying of Lot 49 and Gravity’s Rainbow. It’s been referenced in various other films (notably The Adventures of Buckaroo Banzai
A couple of actual companies have used the name.
*No relation to the TV series at all.
In The Daily Show’s book America they cite the case where Pychon’s estate sued the miniseries, the landmark case of **V. v. V. **