* {{Defictionalization}}: If one were to visit Naples they could actually find Magica's house (a casemate that during World War II was used as an anti-aircraft battery and was repurposed for tourism).
* ReferencedBy: In ''Literature/TheWidowOfDesire'' Natalie Stuart shows actress Diana Darbee the [[PrettyInMink white Russian lynx coat]] her late husband bought her. Natalie then lets Diana try on the coat, and Diana says she feels like Scrooge [[PooledFunds diving into his money]].
* ScienceMarchesOn: "Return to Forbidden Valley" attempted to rectify the outdated aspects of the dinosaurs from "Forbidden Valley". But alas, the comic has become as outdated as its predecessor, particularly with ''Velociraptor'' lacking feathers and ''Spinosaurus'' being an allosaur-like theropod with a sail.
* WhatCouldHaveBeen: It took twenty years from Scrooge's first appearance in comics (''Christmas on Bear Mountain,'' 1947) to his first proper role in animation (''Scrooge and Money,'' 1967) -- and twenty ''more'' years until he became a star character in animation (''WesternAnimation/{{DuckTales|1987}}'', 1987) -- but there was actually talk of bringing Scrooge to animation much sooner. In the fifties, when Scrooge's solo comic was beginning to really get popular, The Disney studios contacted Creator/CarlBarks to ask him to provide a story for a Scrooge [=McDuck=] cartoon, and Barks complied. According to Barks, the story was based around a similar concept to the opening parts of ''Only A Poor Old Man,'' with Scrooge trying to convince Donald how happy and carefree the life of a rich man is, while at the same time nearly suffering breakdowns at the thought of thieves or other threats to his money. For some reason, Disney ended up not using this story, and as they couldn't seem to get a grasp on the character of Scrooge at the time, the cartoon was never made.
* WordOfGod: Don Rosa has [[https://twitter.com/donrosa/status/1157708718311706625 never envisioned]] Donald Duck's voice as sounding anything like any of his animated depictions, and suggested that Carl Barks felt the same. Instead, Rosa believes Donald to sound similarly to actor [[https://en.wikipedia.org/wiki/Charles_Grodin Charles Grodin]]. This factoid would later be subtly referenced in ''WesternAnimation/DuckTales2017'', which temporarily gave Donald a "normal" sounding voice (by Creator/DonCheadle) via a device made by Gyro called the "''Barks''ian modulator".
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