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->'''Actress:''' So what do you do for a living?\\
'''Harry:''' Uh, I'm retired. I invented dice when I was a kid.
-->-- ''Film/KissKissBangBang''

Sometimes the plot needs a character to be [[UndisclosedFunds very wealthy]] without ever [[OneHourWorkWeek actually doing anything]] or being particularly clever. When such a thing is needed, the character will be credited with inventing something very simple, useful, and everyday. Not anything groundbreaking like cold fusion -- think more along the lines of velcro.

In other cases, the character is shown to be someone who isn't necessarily a great scientist, but clever and practical minded. Perhaps the character won't get famous or wealthy off of the invention, but their product at least will be a household name.

Compare with WeekendInventor when inventing is a hobby rather than a lucrative living. See also BunglingInventor, GadgeteerGenius, and MrFixit. If the inventor was an ancestor, then it is RoyaltiesHeir. If the character only ''claims'' to have invented something, then it is InventionPretension. In a number of cases this also doubles as a ShoutOut or a NamesakeGag.

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!!Examples

[[AC: AnimeAndManga]]
* From Creator/AkiraToriyama's ''Manga/DragonBall'', Dr. Briefs invented capsules: nifty little things that defy the laws of conservation of mass in order that whatever vehicle, housing, or devices one could possibly need can be shrunk down to the size of a pill. Due to his rule as one of the series' {{Gadgeteer Genius}}es, he fills that role a bit more than this (but the capsules are ''very'' mundane in that world).

[[AC: ComicBooks]]
* In ''ComicBook/{{Runaways}}'' this is given as a reason why Chase's parents are wealthy enough to hang out with families of other characters, whose parents are doctors, businessmen and famous actors, among others. Subverted because it's a lie - his parents, just like those of other kids, are actually supervillains in control of entire West Coast criminal underground.

[[AC: {{Film}}]]
* Patrick Dempsey was portrayed as one in the movie ''Film/MadeOfHonor''. He invented that cardboard thing that goes around the coffee cup that keeps your hand from getting burned--named in the movie as the "Coffee Collar." Patrick Dempsey got 10 cents whenever one was used.
* In ''Film/GardenState'', one of Zach Braff's friends invented "silent velcro" and became a multi-millionaire. He now spends his time driving golf-carts around his mansion.
* Invoked in ''Film/RomyAndMichelesHighSchoolReunion''. The girls ''claim'' to have invented Post-It Notes, but it's a lie to impress their old high school peers. They deliberately tried to think of something everyone has heard of, but no-one's ever thought about who invented it (unaware that one of their classmates was a business school graduate where they taught about that invention in their classes.) PlayedStraight with said classmate, who invented a fast-smoking cigarette.
* ''Film/TheSocialNetwork'' features the RealLife story of Mark Zuckerberg and the invention of {{Facebook}}.
* In ''Film/AustinPowersInternationalManOfMystery'' during a group therapy session Dr. Evil mentions that his father claimed to have invented the question mark (among many other, equally strange declarations).
* In ''Film/MenInBlack'', the MIB owned the patents to some '[[ETGaveUsWiFi out of town]]' inventions. Among them was Velcro.
* In ''Film/StarTrekIVTheVoyageHome'', Scotty hands the chemical makeup for Transparent Aluminum (which ''will'' be extremely mundane in the ''Star Trek'' canon, but isn't in 1980s US) to an engineer.
-->'''[=McCoy=]:''' You realize that by giving him the formula you're altering the future.
-->'''Scotty:''' Why? How do we know he didn't invent the thing?
* ''Film/FlashOfGenius'' is a movie BasedOnATrueStory about Robert Kearns and the invention of the intermittent windshield wiper.
* In ''Film/OfficeSpace'', the character Tom Smykowski uses the settlement from a car accident to fund the invention of his "Jump to Conclusions" mat ("Have a problem? Just take out the mat and ''jump'' to a conclusion!"). In universe, it was wildly successful.
* In ''Film/MeanGirls'', Gretchen's family is wealthy because her father invented toaster strudels.
* Nick Vanderpark (Jack Black) in ''Film/{{Envy}}'' becomes rich after inventing a product that vaporises dog poo.
* In ''Film/AboutABoy'', Hugh Grant's character is living off the royalties from a horrible OneHitWonder Christmas song, "Santa's Super Sleigh." He didn't even write it; his late father did.
* In ''Film/NightAtTheMuseum : Battle of the Smithsonian'', Larry Daley becomes a successful inventor, and one of his inventions is Glow-in-the-Dark Flashlight, which is based on his former job from the first movie as a night guard.

[[AC: {{Literature}}]]
* Stanley's father from ''Literature/{{Holes}}'' spent the entire novel trying to invent a way to recycle old sneakers. He ultimately succeeded not only at inventing the perfect odor-eater, but also at marketing it.
* ''Literature/GoodOmens'' has a list of people who invented things that, once they were invented, became so ubiquitous no one remembered they ever needed inventing. [[NamesakeGag They all have names like Device or Gadget]].
* One Creator/DanielPinkwater book featured a protagonist taking a summer job working for his uncle, who had invented the things they put on the end of shoelaces (they're carefully never given their actual name-- aglets-- in the novel, which plays into [[WhatTheHeckIsAnAglet a whole trope in itself]]).
* In ''Literature/JohnnyAndTheBomb'', Wobbler is left in the past, unable to return to his time due to a paradox. While taking TheSlowPath, he uses his knowledge of the present to become obscenely rich by both 'inventing' fast food chains and encouraging the inventors of other products.
* In ''TheWestingGame'', James Hoo has a grudge against Westing for stealing his idea for the disposable paper diaper. He later invents a paper shoe liner, Hoo's Little Foot-Eez, that sells well enough that he retires a wealthy man.
* In ''Literature/DirkGentlysHolisticDetectiveAgency'', the main protagonist invented an app that turns spreadsheet data into music, which corporations love because the resulting tunes make good jingles. He doesn't personally get rich by doing so, but it's the product that keeps his boss's software company afloat.
* In ''The39Clues'', Alistair Oh's money comes from his pride and joy, the microwavable burrito.
* Caractacus Pott in the book ''Film/ChittyChittyBangBang''. In this case, it overlaps with MoneyDearBoy: his more mundane inventions, such as collapsible coat-hangers and cubical potatoes, keep the family going.
* In PatrickO'Leary's ''DoorNumberThree'', there's a hotel convention of these kinds of mundane inventors. One of the main characters invented the "Hold" button.

[[AC: LiveActionTV]]
* A RunningGag from ''Series/TheAdventuresOfBriscoCountyJr'' was the invention of now-everyday objects, some of them decades in advance of their normal time.
--> "It's the coming thing!"
* ''Series/RedDwarf'': The episode "Timeslides" mentions Rimmer's stupid former classmate, Fred "Thickie" Holden, who "invented" a novelty stress toy called the "tension sheet" (which was actually just an ordinary sheet of bubble wrap painted red with the words "tension sheet" painted on which the user popped the bubbles of). The "invention" made him a millionaire by the age of 26.
* Walden Schmidt from ''Series/TwoAndAHalfMen'' is billionaire after developing a website that he sold to Microsoft for $1.3 billion. No one has ever heard of it because Microsoft decided to bundle it with the Zune.
* The town of Neptune in ''Series/VeronicaMars'' is so high-class because it's home to a bunch of children of the tech boom. Duncan Kane's dad, for instance, invented streaming video.
* Joe Fontana of ''Series/LawAndOrder'' is the grandson of the original "[[BlandNameProduct Chef]] [[https://en.wikipedia.org/wiki/Chef_Boyardee Luigi]]", which is why he can afford a penthouse condo and a $100,000 car on an honest cop's salary.

[[AC: NewspaperComics]]
* One ''ComicStrip/{{Dilbert}}'' strip showed Dilbert's great-grandfather as the inventor of sliced bread, the greatest thing since unsliced bread.

[[AC: VideoGames]]
* In ''VideoGame/MassEffect2'', if you ask EDI where Cerberus gets funding from, Joker says that the Illusive Man invented the paper clip. EDI helpfully clarifies, "That is a joke."

[[AC: WebComics]]
* Otra in ''Webcomic/{{Girly}}'' is wealthy only because she accidentally came up with a popular clothing fashion line that only consists of wear with the number 0 on it, or letter O in reference to her name, after a designer took notice of the number 0 she drew on her own shirt and found it to be brilliant.

[[AC: WebOriginal]]
* Mentioned as a gag in the ''Creator/LegendaryFrog'' cartoon where Kerrigan decides to become an inventor and make millions. She says to her boyfriend, "Remember John from next door? John Velcro?"

[[AC: WesternAnimation]]
* ''WesternAnimation/TimeSquad'' had plenty of these. Whether the inventors actually got around to inventing their mundane inventions was completely subject to plot convenience.
* ''WesternAnimation/DannyPhantom'': Sam Manson's family became wealthy because an ancestor of hers invented a device that twirls toothpicks in cellophane.
** Danny's parents make a living from the inventions they make.
* ''WesternAnimation/KimPossible'' episode [[JoeMillionaire "Ron Millionaire"]] featured Ron Stoppable receiving 99 million dollars for inventing the Naco. Whatever he didn't spend during the episode was stolen by Dr. Drakken in the end.
* In ''WesternAnimation/TheLooneyTunesShow'', Bugs is wealthy and living in a nice home because he invented the carrot peeler, apparently a useful kitchen appliance.
* On ''WesternAnimation/{{Daria}}'' Jodie's father Andrew Landon became a millionaire by inventing the "folding coffee cup".
* ''{{Archer}}'': In "Heart of Archness Part 1", Archer lies to a [[RuthlessModernPirates pirate captain]] that he has a rich mother who invented the splash-less urinal cake.

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