A character has an old robot and deliberately keeps it despite new models being around.

It can be done for practical reasons or just to save money. If it's not, it's always a trait of good characters or, when villains do it, a PetTheDog kind of trait.

This is often AnAesop (and not even a very hidden one) where the old robot will be shown to have a much more developed (and human-like) personality, while the new models will be more able and better looking but unfeeling. However, it may just be sentimentality -- the character has a relationship with the old robot that a ReplacementGoldfish wouldn't fulfil.

Alternatively, it could be used to establish a character's PerpetualPoverty, alongside their [[UsedFuture battered spaceship]] and [[TheAllegedCar antique internal-combustion car]]. After all, whatever the technology level, you can assume a state-of-the-art robotic assistant would be an expensive investment, so an older model might be all their budget allows.

On a more cynical level, this can be down to SpecialEffects budget concerns. Animating your RobotBuddy takes a lot of effort, but it's worth it to flesh out ([[FantasticSlurs pardon the expression]]) a main character - but why put the same work into background characters when RidiculouslyHumanRobots require [[RubberForeheadAliens just a bit of makeup]]?
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!!Examples:

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[[folder: Anime and Manga ]]

* In the ''KareKano'' [[ShowWithinAShow play within the manga]] ''Steel Snow'', the main character keeps 'Antique', an old robot, around because it resembles his first love.
* This comes up in ''GhostInTheShell'' a few times. The first season of ''Stand Alone Complex'' has an episode revolving around an old model of [[strike: android]] gynoid which were still popular because they were easy to customise. Another episode has the CEO of a company use what is essentially a box with four legs as his body, as he likes the old-fashioned style.
** The box isn't actually old-fashioned - the manga explains that it requires extremely sophisticated simulated sensation of body in order to avoid insanity due to sensory deprivation. The man just likes to advertise that he gave up his body to the company, so to speak; they sell organs donated by people who prefer cybernetics, which are cheaper and faster to get than cloned organs.
* ''Manga/{{Chobits}}'': Hiroyasu Ueda bought a persocom when he opened his bakery. He fell in love with her, but she then gradually lost her all of her memories. He refused to have her repaired in fear that the persocom would completely lose her memories, much less replacing her.

[[/folder]]

[[folder: Comic Books ]]

* DCComics' Star Hawkins - Space Detective! His robot secretary, Ilda, is very much an antique model - Star admittedly can't afford better, but he wouldn't get rid of her even if he could. (Except in ''Twilight'' [or "Let's make all our goofy sci-fi characters DarkerAndEdgier"], where he says he'd have junked her if he'd had a chance. But [[CanonDisContinuity that wasn't the real Star Hawkins]].) An even better example is Stella Sterling in ''Whatever Happened To ... Star Hawkins'', who can ''certainly'' afford a top-of-the-range robot bodyguard, but prefers Automan, a robot who dates back to the 1960s.

[[/folder]]

[[folder: Film ]]

* ''[[TheAdventuresOfPlutoNash Pluto Nash]]''. The titular character's bodyguard robot can't run very fast and his speech is very noticeable RoboSpeak. But Pluto keeps him around for sentimental purposes.
** He's also "incompatible" with Pluto's robot maid.
** Pluto does get a new one at the end, but only so he can make Bruno his club manager.
** Bruno also has years of "rill-hopping" experience in him from their smuggling days. Also, compared to the other robots shown, Bruno is a lot smarter.
** He can also intercept phone calls but can't listen to them himself.
* In ''Film/BladeRunner'', the character played by Creator/WilliamSanderson has a house full of "misfit toys", so to speak.
* C-3PO and R2-D2 from ''Franchise/StarWars''. Especially C-3PO in the prequels.
** Other than C-3PO and R2-D2, there are several examples in the Star Wars universe, such as Wee-Gee, the Katarn family droid in ''[[VideoGame/DarkForcesSaga Jedi Knight]]''.
** Taken even further in the Expanded Universe. Luke is at one point given a shiny new R7 astromech to go with a prototype fighter, but soon goes back to his trusty X-Wing and R2-D2.
** It goes back to the original Star Wars movie (A New Hope). Before the final attack on the Death Star, an X-Wing mechanic notes to Luke that R2-D2 is looking pretty banged up and asks if he wants a new one. Luke declines.
** ''TheThrawnTrilogy'' explains that there are advantages to using old droids that haven't had regular memory wipes, such as the fact that Artoo has worked with Luke's X-Wing computer for so long that they practically have a symbiotic relationship and are much more efficient than the standard. There are also disadvantages - the ship's computer has become so idiosyncratic from this that if another computer needs to scan the ship's data, they need Artoo around to translate.
* Old Bob in ''TheBlackHole''.
* In ''Film/IRobot'', only the newer models of robot begin attacking humans. The older models actually fight against the new models briefly due to their un-updated programming.
* This was the plot of ''{{Film/Cherry 2000}}''; the male protagonist accidentally breaks his RobotGirl, and her model's out of production. Instead of getting a new model, he hires an ActionGirl to take him to the abandoned factory in the post-apocalyptic wasteland, so he can find another Cherry-model to install the backup memory chip into.
* In ''RealSteel'', Atom is a previous generation sparring robot that was stored whole and functional (but uncleaned) in a parts depot. He has different strengths and weaknesses from current top of the line arena fighters, which allows him to survive when facing them.
** Some of his strengths have nothing to do with being outdated. Since he was built as a sparring bot, not a fighter, his body is specifically made to be highly resistant to damage. On the other hand, his physical strength (at least initially) is very low for a robot (also intentional). Basically, he can take a punch but not give one, until Max replaces his arm actuators with stronger ones salvaged from Ambush.

[[/folder]]

[[folder: Literature ]]

* Creator/IsaacAsimov likes this trope.
** From ''{{Foundation}}'': R. Daneel Olviaw, even before [[spoiler:he aged 20,000 years]]
** In "The Literature/BicentennialMan", Andrew (later known as Andrew Martin) is owned by the Martin family. Most other robots are leased and recycled after a number of years. After Andrew's "individuality" annoys the CEO of U.S. Robotics, the company buys back all old robots (the Martins refuse to sell) and destroys them. The company even later begins to reduce the intelligence of the robots, with all higher functions being done by central computers in communication with the robots. Sort of like [=PCs=] today, where you can buy netbooks and/or browser OS.
** In short story ''Light Verse'', a wealthy socialite and artist refuses to fix her old robot butler, finding his eccentricities charming, [[spoiler:but it turns out that it was the malfunctioning robots who were creating her art]].
* [[http://starwars.wikia.com/wiki/Bollux Bollux]] in the ''Franchise/StarWars'' ''Han Solo Adventures" trilogy by Brian Daley.
** Bollux is actually a slight subversion, as his only real use is as a mobile hiding place for a highly-advanced hacking/data droid, a Trojan Horse if you will.
* In ''VideoGame/StarWarsTheOldRepublic: Fatal Alliance'', the pirate Jet Nebula has a trusty old droid named Clunker with a broken vocoder. The only way he communicates is via an old military code, consisting of hand signals. Jet prefers it that way and thinks Clunker intentionally broke his vocoder (something about "if you didn't reply to an order, then there's no proof you heard it").
* Creator/CliffordSimak also likes this trope:
** Jenkins, in the composite novel City, was kept on as a Webster family heirloom and ends up outliving the entire human race.
** In the short story AllTheTrapsOfEarth, robot servant Richard Daniel was kept around so long the Barringtons even gave him a last name.
** In CemetaryWorld, Elmer was made in the last days of EarthThatWas, and was evacuated with the last humans. He's very good with maintaining and repairing machinery.

[[/folder]]

[[folder: Live-Action TV ]]

* The last part of the ''Series/RedDwarf'' episode ''The Last Day'' centres on this.
* In ''Series/PowerRangersSPD,'' the robot dog RIC (Robotic Interactive Canine). Run down and broken, with replacement parts long out of production, he was given to making any sound ''but'' dog sounds, and annoyed the Rangers until he [[TakingTheBullet jumped into]] MechaMooks' fire to save Syd. Though she had been first in line to just recycle him before, now Syd couldn't bear to, and got the tech-savvy Bridge and Boom to work on him. The result is a DoAnythingRobot that even turns into a "[=K9=] Cannon" for a FinishingMove... though a lot of fans preferred RIC the way he'd been before!
* An episode of ''Series/TheTwilightZone'' featured a down-on-his-luck boxer in an age when all boxing was done by prizefighting robots. His old Mark 3 boxer-bot was no match for the new Mark 7s that littered the profession, but darn it, the Mark 3 was ''his'' robot. [[spoiler:When his robot malfunctioned, he entered the ring himself pretending to be a robot. This did not end well for him.]]
** This episode was based on a short story by Richard Matheson. The story was later loosely adapted into a film called ''RealSteel''.
* The protagonists of ''Television/AlmostHuman''. Kennex "accidentally" destroys his police-issued MX android (emotionless and efficient) partner, so the department saddles him with "Dorian," a leftover DRN (discontinued for having overly-realistic emotions).

[[/folder]]

[[folder: Video Games ]]

* ''{{Anachronox}}''. PAL-18 was originally built as a toy (the series is considered valuable collector's items) but is custom-equipped with hacker software and functional weapons. And Mystech capability. And self-awareness. And the personality of a bratty eight-year old. All in all making him far more useful than anything manufactured recently.
* While it isn't touched on much in the games, the ''Mega Man'' series can be seen as an example. In the ''[[VideoGame/MegaMan Classic]]'' and ''[[VideoGame/MegaManX X]]'' series the heroes have to defeat newer and newer models of robots, knowing that they themselves stay the same.
** The story of the ''X'' series partly revolves around the fact that the only reason X and Zero can save the world is ''because'' they are old robots: Reploids are created with a newer manufacturing process (and lack their {{Restraining Bolt}}s) that make them easier to succumb to TheVirus and do evil.
* Joey in ''VideoGame/BeneathASteelSky''. Even though he's built from scrap parts found in garbage dumps in the Australian wasteland where Roberts' tribe lives, he manages to interact with, even outsmart, more modern robots/programs. Also, his circuit board seems to be compatible with most robots they encounter ([[spoiler:Even the latest type of artificial human LINC has created.]]).
* Mieu and Wren of ''VideoGame/PhantasyStarIII'' are introduced saying that they have waited for a ''millennium'' to assist the descendants of Orakio in their struggle. Both cyborgs also join Rhys' son and grandson in their journeys.

[[/folder]]

[[folder: Western Animation ]]

* Helper from ''WesternAnimation/TheVentureBrothers'' is certainly of the money-saving variety. Dr Venture prefers to repair or reuse his father's old tech than invent his own.
* More or less the premise of ''WesternAnimation/TheBraveLittleToaster''. More or less.
* Happens on an episode of ''WesternAnimation/TheJetsons'', when Rosie is apparently outclassed by a later model of robot, and runs away when she sees a salesman giving them the hard sell.
** This trope came up fairly often on the series (particularly the 80s revival), as Rosie is considered a long-obsolete robot model by the Jetsons' future's standards.
* Carl from ''Disney/MeetTheRobinsons'' is the lowest tech thing the family has, apparently built when Lewis was just a kid. His son inherits it.
* ''Animation/CubixRobotsForEveryone'': The main robot, Cubix, was a pile of junk that the main human started tinkering with.
* Bender of ''WesternAnimation/{{Futurama}}'' is obsolete as of the debut of Robot 1-X in "Obsoletely Fabulous." The episode went through a complicated process of getting Bender and the older robots to accept the 1-X, and then the 1-X inexplicably disappeared and hasn't been seen since.
** 1-X reappears in the movies, but considering it got ''sliced in half'', it seems unlikely that it'll appear in the new season.
** It has reappeared in the new season... in Robot Heaven.
* Dr. Wakeman of ''WesternAnimation/MyLifeAsATeenageRobot'' keeps [=XJs=] 1-8 around for no other reason than apparent sentimental value.
* In ''WesternAnimation/AdventuresOfTheGalaxyRangers'', Zachary's MechanicalHorse Brutus is a signifigantly older model than the other three and isn't as agile or fast as the other three, either. But he ''is'' much sturdier and has more power on pushing and pulling loads.
* Larry 3000 in ''WesternAnimation/TimeSquad'' is apparently an outdated (and obsolete, as he was made for political purposes that had long since dissolved) Larry model, as other Time Squad officers are shown with bulkier, battle-ready models. Buck prefers not to even have his Larry upgraded, even though whatever company manufactures Larry robots are still making software upgrades for the 3000s.
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