Weekend Inventor may refer to:
- Accidental Discovery: A character makes a groundbreaking scientific discovery by complete accident.
- Artistic License: Inaccuracies either committed for story's sake or are just examples of the creator(s) getting their facts wrong.
- Gadgeteer Genius: A character is good at inventing gadgets and other devices.
- Homemade Inventions: Gadgets on a budget.
- Mad Scientist: A character who exploits science for fun, profit and possibly evil.
- Reed Richards Is Useless: Amazing things in Speculative Fiction never improve society, because Status Quo Is God.
- Smart People Build Robots: A character is indicated to be smart because they're an engineer.
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