In the development of a show, movie, game, TV series, etc., everything from characters, settings, stages, etc., changes rapidly. Characters become other characters, different plots fuse and split or are destroyed. Eventually, you get the finished product, but the developers aren't going to forget the past. In this case, the designers might put in a little thing or two that alludes back to something that happened in development, so they can all have a good laugh about it. An inside joke to the greatest measure, unless the viewer/player has been given a beta that includes what the joke is about, they'll probably never going to know what the joke is about, or even if it's supposed to be funny. Can be anything from a previous character design to a joke about one of the developers, but you'll probably never know. See Call Back for references to things that actually appear in the plot, Production Throwback for development on prior works, and Mythology Gag for references to things that happen in alternate adaptations. When the backstory behind these gags are explained, that's an example of What Could Have Been, given by Word of God.
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Anime & Manga
- The dub of Fullmetal Alchemist has the voice Travis Willingham used for Mustang's "I love dogs!" line, which is based on the voice he used when trying out as Major Armstrong; he even refers to the voice as "Armstang".
- In Naruto a character is introduced named Sabu, who possesses a giant axe and has a giant raccoon dog named Ponta for a pet. Both of these things are references to a character named Kintaro, who also possessed a giant axe and a giant raccoon dog named Pochi, who was replaced by Zabuza and Haku as the main villain of the Land of Waves arc.
- Kotsuzuka, the creepy kid from Yu-Gi-Oh!, has a skull-shaped face that was originally going to used for Yami Yugi.
- Yoshiyuki Tomino has a habit of taking ideas from earlier drafts of his work and finding other ways to work them in
- In Mobile Suit Gundam, Zeon has two Humongous Mecha competing to be their next-gen war machine, the Gelgoog and the Gyan. In Tomino's original proposal, the Gelgoog was named "Gyan", while the Gyan was named "Bakuji".
- Tomino's original idea for the Zeong, the "final boss" mecha of the original show, involved it being able to split its body into several remote-controlled pieces; this concept later popped up in Turn A Gundam as a unique property of the Turn X, that show's "final boss". On top of this, SD Gundam G Generation eventually introduced an Original Generation variant of the Zeong which matched Tomino's original idea.
- Episode 13 of Is It Wrong to Try to Pick Up Girls in a Dungeon? is titled Familia Myth. This was also what the author originally wanted to call the series before the editor suggested otherwise.
- Magic: The Gathering has loads of these. Amongst the notable ones are Telim'Tor, whose name is an anagram of his playtest/development name, Mr Toilet; and Sol Grail, whose name is an anagram of Gorillas, which were the playtest/development race for every creature in Alliances.
- Maro was submitted to the development file for Mirage with its creator's username (MaRo for Mark Rosewater) for the database instead of a placeholder name. No-one noticed the mistake until the Creative department had already commissioned the art, so it stayed.
- Not exactly a joke, but Invincible later introduced a character called Bulletproof who used Invincible's initial name and costume. In-story, the costume was even developed for Invincible but rejected.
- In the final storyline of DC Comics Hourman title (the one about the "diamond generation intelligent machine colony from the 853rd century, DNA-programmed with Miraclo gene biosoftware") he was confronted with a further-future version of himself, who was much better at both being a hero and being a person than him (it turned out to be Amazo). The design for the future Hourman was identical to an early design seen in the Hourman sketchbook given away with Wizard when the title began.
- Marvel Comics has had several references to a character named 'Coal Tiger', which was one of several names that Stan Lee and Jack Kirby were bandying back and forth as a possible name for the character who in mainstream continuity in the Marvel Universe became Black Panther. These include:
- The Black Panther's son in the Marvel Comics 2 alternate future.
- An alternate universe version of T'Challa himself, who appeared in The Avengers Vol. 1 #355 as a member of the Gatherers, a group of former Avengers from different universes. This version had a costume based on a Jack Kirby design for a new costume for the Black Panther that only ever appeared in a pin-up.
- A Coal Tiger is mentioned in Captain America Vol. 1 #389 as an opponent of the Zambian villainess Impala.
- In Black Panther Vol. 3 #60, the Coal Tigers are mentioned as being a rank in the Panther Cult.
- The working name for the Dinobot Swoop was Divebomb. The Transformers Marvel UK comics said that was his name back in Cybertron. Some time later, when Hasbro coincidentally made a Decepticon named Divebomb as part of the Predacons, the comics explained that Swoop lost his name to him after a defeat.
- The title of DC's Reign of the Supermen event which tied into The Death of Superman event is a reference to Reign Of The Superman which featured the first Superman character Siegel and Shuster developed.
- The Doctor Who Magazine comic strip "Fire and Brimstone" featured a war between the Daleks and spider-like Daleks from an alternate universe. The spider-Daleks look very similar to the controversial Dalek designs from one version of Last of the Time Lords, the unmade Doctor Who reboot movie that was floating around in The '90s.
- Pax Americana #1 is basically Watchmen as originally intended—that is, with Charlton Comics characters instead of ersatzes. One exception is Thunderbolt, the model for Ozymandias, but not owned by DC. President Harley is something of an expy for both.
- In the Jem series from IDW, Jetta is given a Race Lift and made into a young black woman. This is a nod to fact that originally, Jetta was going to be black in the animated series before Executive Meddling caused her to become a white Englishwoman.
Films — Animation
- The commentary for Atlantis The Lost Empire tells a story about how there used to be a mystic named Zoltan (who used to speak in the third person, for some reason) along for the ride. At one point everybody sounds off after falling down a hole. For the longest time he was still there shouting "Zoltan is okay!" even after his character had been written out of the script.
- Near the end of Beauty and the Beast, while the enchanted furniture are fighting off the villagers, a music box can be seen among said furniture. That music box was originally going to be Belle's sidekick.
- At one point in Cloudy with a Chance of Meatballs' development, Flint was trying to get into the Science League, headed by Vance LaFleur. You can still see a poster for the League in his room and lab.
- In The Emperor's New Groove, there is at least one reference to a small, mystical guide to the Emperor, despite the fact that he was written out of the plot: he appears as a candle-holder during the poisoning scene. (Watching DVD commentary is fun.)
- In Toy Story 3, there is a bumper sticker on Andy Davis' drawer labelled "Newt Xing", a possible reference to the cancelled Pixar film Newt.
- Many ideas from the first Toy Story made it into the second. Originally the first movie was going to open on a clip from the TV cartoon the Buzz Lightyear toy was from, which got reworked as the video game opening for the sequel.
- The idea for having a villainous teddy bear, as seen in Toy Story 3, actually predates the Toy Story franchise itself, to a proposed Christmas special based on Tin Toy
- Near the very beginning of The Rescuers, Madame Medusa can actually be seen driving a large red sports car to New York City Airport, not unlike the one driven by Cruella DeVil. Originally, the villain of The Rescuers was actually indeed going to be Cruella DeVil! So in fact, that car doesn't just look like Cruella's, that car is Cruella's.
- One of the drawings during the end credits of Tangled shows Rapunzel and Flynn consulting a fortune-telling monkey, in reference to a deleted scene in which Rapunzel and Flynn escape some guards with the help of a gypsy and her pet monkey.
- Robots has several. The robot with the jet pack seen waiting in line on Big Weld's TV show is an early design for Rodney, and Jack Hammer, the owner of the hardware store Rodney and his friends visit was originally a director from an early treatment. Scenes from early test footage with the director character appear as photos on Aunt Fanny's home.
- In Despicable Me, the Minions were originally going to be human. The guards at PX-Labs in the sequel are based on the original concept.
Films — Live-Action
- Spider-Man 2: The film has a couple of playful jabs at Tobey Maguire's back problems, which nearly forced him to drop out. This includes the "I'm back, I'm back! ...My back, my back!" scene, and a Freeze-Frame Bonus Bugle headline claiming link between back pain and brain shrinkage. That headline is actually a lot more mean-spirited than it seems: Maguire's back problems were a point of contention on set, and it was generally assumed by most of the production staff that he was using his condition to avoid showing up on the set or working on days that he didn't feel like it (regardless of whether or not that was true). At one point, they even threatened to fire and replace him.
- A lot of names from the early, unused drafts of Star Wars continue to pop up in newer works. "Starkiller", Luke's original surname, shows up a lot, and Mace Windu's name can be traced back to "Mace Windy" from the first treatment.
- Similarly, the planet "Utapau", which was originally a blue planet with many moons mentioned in the first draft of "The Star Wars", then became the preliminary name for Tatooine, then the preliminary name for Naboo, and finally appeared in Episode III as a green planet with many moons and dotted with sinkholes.
- Other names that can be traced back to previous drafts, where they were used in different contexts, include "Valorum", "Sith", "Clieg" (Cliegg), "Whitsun" (Whitesun), "Bail", "Antilles", "Ogana" (Organa), "Dai Noga" (Dianoga), "Grande Mouff Tarkin" (Grand Moff Tarkin)... even "Annikin" (Anakin).
- One draft of the script for Return of the Jedi featured the Millennium Falcon being lost with all hands at Endor. Han alludes to this in the final version:
Leia: Hey, you awake?
Han: (gazing at the Falcon) Yeah, I just got a funny feeling. Like I'm not going to see her again.
- "Revenge of the Sith" was presumably named after the working title for Episode VI, "Revenge" of the Jedi.
- An early code name for Star Wars, "Blue Harvest," also appears frequently in the Expanded Universe.
- The design of the Tantive IV, Leia's spaceship in A New Hope, is taken from a rejected early design for the Millenium Falcon.
- The Dark Knight had Batman undergo a costume change in order to be able to fight faster and turn his head. This was done because Christian Bale had his fill of the Batsuit in the first installment, and wanted a more comfortable design.
- In Aliens, Hudson teases Vasquez by saying "When they said 'Alien', she thought they said 'Illegal Alien' and signed up." Vasquez' actress actually did make that mistake, and showed up to the auditions dressed as a migrant worker.
- In the film adaptation of The Flintstones, Fred is accidentally referred to as Mr. Flagstone. The original name for the show was The Flagstones.
- This example might actually be an urban legend: The Enterprise XCV-330, first seen in the recreation room in Star Trek The Motion Picture, is often claimed to be based upon a rejected design by Matt Jefferies for the NCC-1701. But there is evidence that Jefferies actually might have designed it at some time after the end of TOS, for another Roddenberry-project which never did come into fruition.
- Possibly related: the "Jefferies tubes" that Star Trek characters crawl around in to whenever they need to get into the real guts of their ships may be a nod to his last name and role in ship design for the series.
- The Indiana Jones films have famously gone through a lot of work before getting to what we saw in theatres. For example, an early version of The Last Crusade was set predominantly in a haunted castle, which is reference with Brunwald castle (in which Henry Jones Sr is held captive) and an early title for Indiana Jones and the Kingdom of the Crystal Skull was Indiana Jones and the Saucermen from Mars - Indy dismisses the crystal skulls as belonging to "Saucermen from Mars" when he is interrogated by Irina in the tent.
- In Back to the Future Part II, Biff is listening to Perry Como's "Papa Loves Mambo" on the radio while driving to the dance. Word of God explained in the DVD commentary that they almost used "Papa Loves Mambo" in Part I for the "Mister Sandman" Sequence, but ended up using "Mr. Sandman" instead. They stuck the Perry Como song into Part II as their way of referencing this little inside joke.
- The 2005 version of Pride and Prejudice has an unusual one. It's not a movie development gag but a book development gag. Early in the movie, Elizabeth is seen reading a book titled "First Impressions." "First Impressions" was the original title Jane Austen gave "Pride and Prejudice." Also, when the pages of the book are shown, it's revealed that Elizabeth is reading the last chapter of "Pride and Prejudice" with the characters' names changed.
- I Am Legend includes a development gag to another movie - a giant poster in Times Square has a Superman/Batman logo. Screenwriter Akiva Goldsman was hired to write a Batman vs Superman film before it fell through.
- Steven Spielberg had hired go-motion expert Phil Tippett to do the Jurassic Park dinosaurs. Then ILM did an awesome demo of computer-generated dinos. The exchange when Spielberg showed Tippett said demo ("You're out of a job", "Don't you mean extinct?") became a dialogue in the movie.
- "Tales From Year Zero" is FULL of references to earlier versions of the script for Pacific Rim before Guillermo Del Toro became involved with the project; for example, the comic's main character Naomi Sokolov was the film's deuteragonist, traveling the world to find out the reasons behind the Kaiju, and the simulated death of Yancy Beckett by Kaiju tongue was how he actually died.
- Godzilla (2014) has one scene where Las Vegas gets attacked by a Muto. Las Vegas was going to be the primary setting of Godzilla 3D to the Max, the IMAX 3D short film project that was gradually repurposed into this feature-length film.
- In Teenage Mutant Ninja Turtles (2014), Vernon misinterprets April's description of the turtles, asking if they're aliens. April points out how stupid that idea sounds. This was exactly how the fans reacted during very early development when a leaked script (that wasn't even real) had the turtles be aliens.
- A Face in the Crowd ends with Lonesome Rhodes standing on his penthouse balcony as if about to jump to his death, still pleading for Marcia not to leave him. Mel says, "I don't figure him for a suicide." This line obviously came from a comment on a draft script which did end with Lonesome's suicide.
- Predators has an extraterrestrial who employs the original design for the Predator himself (before the producers felt it didn't work and hired Stan Winston to design the eventual mandibled beast).
- Addams Family Values adds a Canon Foreigner baby boy named Pubert to the titular family. None of the main characters were given first names until the comic strip was adapted into a tv show, and creator Charles Addams' original proposed name for Pugsley was Pubert.
- A sort of meta example since it wasn't mentioned in the film, but supplementary material reveals that Jurassic World's titular park opened in 2005 and its plot takes place ten years after. The film itself was originally meant to be released in 2005, but was trapped in Development Hell and ended up setting up for a 2015 release date.
- When the X-Men film was released; it helped start a tradition that characters normally clad in colorful spandex costumes instead opt for more practical black outfits. As such, it's lampshaded when Wolverine asks if they go outside in the suits when Cyclops activates the X-Jet for the final battle: "What would you prefer? Yellow spandex?"
- The Xanth character Jenny Elf is based on a real life reader, who was given the choice of being an elf or an ogre in the books. The ogre she could have been later showed up, jealous at having missed her shot at becoming a main character.
- A sort of sequel-by-other-hands/fanon development gag: In his biography of Sherlock Holmes, William S. Baring-Gould speculated that if, as stated by Arthur Conan Doyle, the Holmes family were county squires, Sherlock and Mycroft must have an older brother, or else Mycroft would be the squire and would therefore be maintaining the estate up in Yorkshire. The development gag is that Baring-Gould named this brother "Sherrinford"; Doyle originally called Holmes "Sherrinford Hope".
- In The Truth, there's a brief mention of the dwarfs mixing up ink for the printing engine from an old well beneath the building. It's a little detail that doesn't mean anything ... unless you know that the earliest plotline Terry Pratchett came up with for a "newspapers on the Discworld" novel was "what if it's printed with ink that has accidentally been mixed with water from the Well of Truth?"
Live Action TV
- When Joel Surnow first got the idea for 24, all he really knew was that he wanted it to take place within a 24-hour timespan. His first idea was to do a show about planning for a wedding, and all of the crazy hijinks that happen in the 24 hours before it. Fittingly, the first part of Day 2 is about a family getting ready for a wedding.
- In Criminal Minds, Jason Gideon's name was originally Jason Donovan. This is the name of the author of a book Gideon finds in an UnSub's apartment in one episode.
- Friends: On the normal show, Monica and Chandler fall in love and are Happily Married for years. All sounds normal, though Monica mentions she once had crush on Joey and Chandler is sometimes Mistaken for Gay. In the original plan, Monica and Joey were the shows Official Couple and Chandler was gay. It's a sign of how much can change that the shows most constant couple would never have been imagined in early drafts.
- The Gallifreyan writing (inside hexagons) seen in the new series of Doctor Who resembles the strange abstract hexagonal design made by Susan, the Doctor's grand-daughter, in an un-aired pilot for Doctor Who.
- This is how Aliens in Cardiff came to be, starting in "The Unquiet Dead". Since BBC Wales films there, it's treated as a borderline Place Worse Than Death in-universe, with everyone astonished that anything interesting happens there. "I saw the fall of Troy! World War Five! Now I'm gonna die in a dungeon... in Cardiff."
- In the new series, the season 4 premier "Partners in Crime" featured a character named Penny Carter. Penny Carter was the name of the original companion for Season 4. However, Catherine Tate, who had previously appeared as Donna Noble in "The Runaway Bride," had such a great time, she asked if she could come back. So, Penny was written out and Donna was written in.
- The Doctor's scoffing "You watch too much TV" when Martha asks if the Master is his secret brother in "The Sound of Drums" may be an insult directed at controversial early plans for what became Doctor Who: The Movie to be a full Continuity Reboot, which would have included that as a plot element.
- Lady Christina, the single-story companion-substitute in "Planet of the Dead", is very similar to what has been publicly stated as the concept of the companion who would have replaced Ace had the original show had a twenty-seventh season.
- Clara's headstone in 1892 states that she was born on 23 November 1866 and that she died on 24 December 1892, meaning she not only shares the same birthday (though not the year) as Doctor Who itself but that she was also 26 years old when she died — the exact same age as Doctor Who was when it was cancelled in 1989.
- Continuing this, Clara's mother died March 5, 2005 — the same day that the new series premiered.
- The ship wrecks featured in the Star Trek: The Next Generation episodes "The Best of Both Worlds: Part II" and "Unification: Part I" have been well documented by fans. It turns out that some of them are actually study models for the Excelsior from Star Trek III.
- In "Parallels", Riker is shown to have been the Enterprise's captain since "The Best of Both Worlds" in at least two alternate universes, which was the producers' plan when it was unclear if Patrick Stewart would renew his contract after season 3.
- Some of the ideas from the original pilot for Heroes that were scrapped made it into the show. The most notable example is the character Ted Sprague, who was based off of an Islamic terrorist featured in the original pilot.
- Lost: An important character in Eko's flashback episode is named Emeka. Emeka was originally Eko's name during casting of the role, and numerous magazines reported it as his name when the actor was cast. It was changed to Eko shortly before filming began.
- In the Seinfeld episode "The Betrayal", we get a flashback to Jerry and Kramer's first meeting, where the former calls the latter "Kessler" before being corrected. Kessler was the character's original name in the pilot episode.
- The two-part episode "The Menagerie" of Star Trek: The Original Series features extensive footage of the (at that time yet) unaired first pilot "The Cage". Apart from Leonard Nimoy as Spock, the cast was completely different, and also the design of the sets and the uniforms differed somewhat. "The Cage"-footage cleverly was used as Flashback to an earlier point in Spock's career. The episode also established that Christopher Pike, the Captain of the Enterprise in said unaired pilot, was actually Kirk's predecessor; this detail would even go on to influence Star Trek (2009), which portrayed Pike as Kirk's mentor.
- At an early point in its development, Kamen Rider was going to be called "Crossfire" and star a crime-fighting wrestler. The Crisis Crossover Grand Finale of Kamen Rider Wizard paid tribute to this by introducing a Meta Origin for the entire franchise: an object called the Cross of Fire, which is the literal embodiment of the powers all Kamen Riders possess.
- Similarly, the helmets worn by the SPIRIT soldiers in Kamen Rider Spirits are based off unused concept art for Crossfire.
- In The Nanny episode "The Butler, the Husband, the Wife and Her Mother", Fran Fine criticizes Maxwell Sheffield for wearing bright yellow rain boots with his suit, saying "Normally, you're so GQ. Now, you're the Gorton's Fisherman?". Charles Shaughnessy, who played Maxwell, had shown up to his original audition wearing those same exact boots.
- Elvira and the Party Monsters has a set of broken bones decorating the slingshot bumpers and inlane rails; this is in reference to a motorcycle accident designer Dennis Nordman had during the game's development.
- Similarly, one of Skull's lines in No Fear: Dangerous Sports references a motorbike accident designer Steve Ritchie had, where he lost part of his finger. Ouch.
- Sometimes a pro wrestler will do subtle references back to previous gimmicks and characters they've had in the past, including all the way back to before they began with a company. For one example, TNA wrestler Gunner wrestles in tights that have a broken glass theme.◊ This seems a little out of place, unless you know that he wrestled on the indy circuit for years as Phill Shatter.
- Similar to the TNA example above, WWE wrestler Ryback's name likely won't make a lot of sense to those who don't know about him wrestling in the independents as Ryan "The Silverback" Reeves.
- Probably the biggest example of this is Stone Cold Steve Austin's finishing move being called the "Stone Cold Stunner". He was known for years as "Stunning" Steve Austin in WCW.
- Likewise, HHH's finisher is the "Pedigree", a callback to his former gimmick as a blueblooded snob.
- Major feuds that occurred in developmental can reappear on the main roster, especially if both wrestlers turn out to be major stars. John Cena and Randy Orton, and Dean Ambrose and Seth Rollins are two notable cases. In even more added irony, they would switch "roles" on the main roster. Initially, the former for both rivalries were the heels in developmental; on the main roster, they're the faces.
- William Shakespeare's Henry IV Parts 1 and 2 and The Merry Wives of Windsor all have gags playing off the fact that Falstaff was originally called Sir John Oldcastle, until the descendents of the real Oldcastle objected. In Part 1 Prince Hal calls him "My old lad of the castle"; in Part 2 he's given a detail of Oldcastle's career (he was page to Thomas Mowbray, Duke of Norfolk) and the Epilogue has the Suspiciously Specific Denial "Falstaff may die of a sweat ... for Oldcastle died a martyr, and this is not the man"; and in Merry Wives, when disguised as Herne, he seems to give his identity away by crying "Oh! Oh! Oh!" when burned (the joke being that he's crying "O!" for Oldcastle).
- The original set of Spring Awakening includes a chalk board showing a list of songs in the show, and includes a couple references to places where songs were cut (for example, the name of the former act two opener "There Once Was a Pirate", can be seen written faintly above the name of its replacement.)
- The musical and film Little Shop of Horrors contains a Villain Song sung by the Depraved Dentist Orin Scrivello. As composer Alan Menken explains in a documentary about his life and music, his father and many of the other men in his family are dentists —- something which he also began to study for but gave up in order to pursue music instead. No doubt he and Howard Ashman, the lyricist, had fun writing the dentist's song!
- The last scene of Funny Girl has Fanny saying to Nicky at one point, "You should've heard the rest of the speech—I've been rehearsing it for weeks!" It's surely not a coincidence that this was the most rewritten scene in the show, and that Barbra Streisand and Sydney Chaplin were rehearsing the final version less than an hour before it opened in New York.
- A very early rejected mask design for Toa Pohatu was later used for another Toa of the Stone element, Toa Onewa.
- The mask of Makuta Mutran was originally to be called Artidax, the Mask of Mutation, until the writer realized that the Mutran set came with a Mask of Silence. The Mask of Mutation was later given to another Makuta, Miserix, and Artidax became the name of the island he had been imprisoned on.
- This was the original Easter Egg in computer games, as is recounted very neatly in that page.
- City of Heroes has a few jokes along this line, including the infamous Egg Hunter badge.
- Jazz Jackrabbit 2 is full of these. Many of the secret areas have signs that have jokes and messages to the development/design team on them, which completely fly over the head of the average player.
- Knights of the Old Republic II: The Sith Lords: "I'm Atton. I actually wasn't supposed to make it into the final game, but I was created at the last minute. Blame my agent. I was actually slated for a spin-off to Jedi Knight, but I don't want to talk about what happened there."
- Coach from Left 4 Dead wants armor. This was a reference to Coach's early designs that had him wear football gear as makeshift armor.
- Hilariously, some mods can dress up Coach in said armor.
- Blizzard games are loaded with these. One of the most memorable is a bit of audio attached to a character in Starcraft; when Starcraft's alpha was first shown to the public people accused it of just being "Warcraft in space". Clicking on the character Artanis repeatedly will eventually produce a series of exasperated defences of the game's design:
"This is not Warcraft In Space!" "It's much more sophisticated." "I know it's not 3-D!"
- World of Warcraft has:
- The Nova Shrine: A memorial to the not-yet-officially-canceled Starcraft: Ghost spinoff game.
- In Mists of Pandaria there's a ghost NPC in the Valley of the Four Winds who gives the player a low-quality woodcutting axe. The description mentions that it has "+15 Woodcrafting" etched into the handle, referencing a planned profession that was scrapped because its uses were too limited.
- World of Warcraft has:
- Mortal Kombat has a few in every game that involves a Konquest mode (more examples to be added upon redoing the story), and all appearances of characters like Rain who owe their existence to jokes between developers are essentially Development Gags.
- Way back in the early stages of the first Mortal Kombat, Sub-Zero's code name was originally "Tundra." Come Mortal Kombat 9, it's revealed that the title of the younger Sub-Zero that took his fallen brother's place starting in MK2 was Tundra before he took up the mantle of Sub-Zero to honor his brother.
- And of course, Ermac, after the oft-misunderstood abbreviation that the first game's debug menu used for "Error Macro."
- And of course MoKap, the guy in the motion capture suit that some of the fighters were drawn over, and Meat, the bloody musculature under many of the polygons.
- In Street Fighter Alpha 3, one of Guile's winquotes is "No handcuffs? Fighting isn't what it used to be!" which is a reference to a glitch Guile had in the original Street Fighter II that "handcuffed" (froze/attached) him to the opponent. This also counts as a Mythology Gag, as the glitch was rather famous and widely known about among fans, and is considered a part of one of the older games despite its glitchy status.
- In the Rusty Bucket Bay level of Banjo-Kazooie, there is a picture of the original pink-furred brunette version of Berri from the aborted Twelve Tales: Conker 64 (who did appear as a damsel in distress in Conker's Pocket Tales). This Easter Egg only appears in the original N64 version; it's a picture of Conker in the XBLA version.
- In Banjo-Tooie, Captain Blackeye, a character who was supposed to be the main antagonist in the early development of Banjo-Kazooie appears in a bar, drunkenly ranting about how a bear stole all his glory and how he "Had a dream", a reference to what the game was originally called.
- Portraits of Blackeye also appeared in Banjo-Kazooie's Mad Monster Mansion.
- In the library level of Metro 2033 one of your squad mates pulls a book off the shelf and exclaims something along the lines of "Ahh, something familiar; Roadside Picnic." Roadside Picnic is the novel that inspired the S.T.A.L.K.E.R. series, which many of the Metro devs also worked on. It doubles as well in that anyone who's played S.T.A.L.K.E.R. is likely the find Metro's atmosphere very familiar, though the gameplay of the two games is quite different.
- When the developers of The Secret Of Monkey Island created the sprite for the main character, he wasn't yet named so they saved the file with the name "guy.brush", ".brush" being the file extension for the graphics program and "guy" being, well. They eventually decided they liked the name, and so Guybrush Threepwood was born.
- The game also references its game engine, Script Creation Utility for Maniac Mansion, with the in-game SCUMM Bar (which after the engine technology changed for the fourth game to Lua, was renamed after a hostile takeover by the game's antagonist to the "Lua Bar").
- The entire script of the first game could be considered a development gag; Ron Gilbert's original concept called for a more serious tone, but what with the way production works, Tim Schafer and Dave Grossman found themselves with empty dialog slots in a game that needed testing, so they added their own silly placeholders. Gilbert thought these were so hilarious that he decided to completely overhaul the tone of the game and make it a comedy instead.
- The main character of the Wing Commander games was referred to behind the scenes as "Bluehair," a reference to the distinctive (apparent) color of his hair. When the series moved to full-motion video, making an official name necessary, he was given the last name "Blair."
- Jade's name in Beyond Good & Evil is a reference to more than just her obvious favorite color; in fact, she had it before she wore green anything (besides lipstick). It's a reference to the JADE Engine, the engine the game (and later, the 3-D Prince of Persia games) was built in.
- During the ending of Psychonauts, the original playable character of the game can be briefly seen in the background.
- Near the start of the game, Coach Oleander incorrectly guesses that the protagonist's name starts with a D, referencing the original protagonist D'Artagnan.
- Likewise, the original playable character for Scribblenauts is available for viewing, if only you ask for it.
- Lewton in Discworld Noir mentions that he was going to be an assassin, but it didn't work out. The early idea for the game was the further adventures of Teppic from Pyramids, an assassin.
- The Sonic the Hedgehog developers had created a much simplified early model for Sonic. This was revived and turned into the character Mighty the Armadillo for the arcade game and Knuckles Chaotix.
- The first game also has glowing letters reading "COPE" in the Spring Yard Zone, which is the acronym for one of the graphics processing routines used by the developers. If you go up high in Act 1 you can also see "UP ON CPU", whose meaning is less clear but may just be praise for the Mega Drive's capabilities.
- Before settling on a name for the blue hedgehog, the developers referred to him as "Mr. Needlemouse." The name was brought back for the publicity of Sonic the Hedgehog 4: Episode 1: Prior to the reveal of the game's real name, it was referred to by its code name Project Needlemouse. And the Sega blog, poking fun at the prior games' Loads and Loads of Characters, jokingly suggested that "Sonic's new friend Mr. Needlemouse" might be a playable character in the game.
- One of the proposed designs for a Sega mascot was apparently supposed to be a caricature of Theodore Roosevelt. Look familiar?◊
- In the beta version of Quake, shooting a particular object in Hub Level opened the path to an Easter Egg (the DopeFish) located in the same level selection room. In the released version, the easter egg was moved to an actual level, and shooting the object in the start level displays an optional hint about its location.
- Ghostbusters: The Video Game mentions that one of the names for Slimer is "Onionhead" in his Tobin's Spirit Guide entry, and he's actually referred to by this name once in dialogue. This was his production name, and it had been dropped from Canon media until now, because it was tied to a similarly dropped character trait of his smelling terrible — it was found to be too hard to convey in film.
- Acing LittleBigPlanet's final level, The Collector, unlocks a costume based on Yellowhead, the game's protagonist in its beta ''Craftworld'' form.
- In Borderlands, the concept art for main characters Roland, Mordecai, and Lilith◊ make their way into the game as Dr. Zed,◊ Reaver,◊ and Commandant Steele,◊ respectively.
- In Half-Life 2, you can see a rather strange object in a jar◊ at Black Mesa East, which Eli states that they "still don't know what it does". It's actually the head of a Cremator, a janitor-like enemy that was cut.
- In the Beta version of Cave Story, the protagonist had red eyes and a blue outfit. When the finished game was ported to Wiiware, an Easter Egg was added where if you play the game on Halloween, the character's sprite is replaced with a zombified version—with red eyes and a blue outfit.
- During the Guild Wars War in Kryta arc, Confessor Isaiah, the leader of the White Mantle (named after Isaiah Cartwright, the former leader of the skill balance team) has a skill called "Isaiah's Balance," which causes the next skill used by its target(s) to cost 25 energy and recharge in 90 seconds, reflecting an infamous skill nerf.
- Telltale's Back to the Future: The Game includes a development gag relating to the third movie. Marty is told by a descendant of Marshall Strickland (whom he met in 1885) that the Marshall had been shot in the back by Buford Tannen. Marty states that he doesn't remember that occurrence; the scene was filmed for the third movie, but ultimately deleted.
- The BioShock 2 ARG "Something In The Sea" featured a character that visited Rapture then managed to return to the United States. The man then wrote a story about his experiences and submitted it to a science fiction magazine only for the editor to completely mangle the story into unrecognizability. One of the changes was turning the Little Sisters into chipmunk-like creatures, a reference to early concept art which rendered them as such.
- At the end of BioShock Infinite Booker meets several alternate versions of Elizabeth. One of them uses the model first shown to players before she was redesigned. This early model can now been seen in the Clash in the Clouds DLC, along with a very early Handyman design that appeared in very early screenshots and the E3 2010 demo.
- An Enemy in Bural at Sea DLC named Frost Splicer was incomplete enemy of Shock Jockey-Vigor Junkie left in game files, It was repurposed for this DLC for in-universe game drink named Old Man Winter that enemy is addict too, And that Booker and Elizabeth to fight.
- Crisis Core: Angeal's design is based on an old concept idea for Cloud.
- While designing Resident Evil 2, Capcom created a big white block as a simple polygon to test the game's hit detection. By the time had come for the game to go gold, the block was further defined into the protagonist of the minigame "The Tofu Survivor". Resident Evil 3, built in the same engine, also has Tofu Dummied Out, while The Darkside Chronicles contains another minigame where the player runs around blasting hulks of tofu as a Shout-Out.
- In Time Shift, the "Alpha Suit" worn by the main antagonist (established as the prototype of the "Beta Suit" worn by the protagonist) is based on the design of the protagonit's suit in the early steampunk inspired version of the game (which was then massively overhauled).
- In Dragon Age: Origins, talking to Shale reveals she used to be 10 ft tall (like other golems) until her owner took a chisel to her and carved her down to her current size because she couldn't fit through doors. This is the exact same reason why the developers had to shrink down her original model.
- There are a couple in Pokémon. An old artwork for Poliwhirl/Poliwrath shows it wearing a crown; in Generation II, the crown-like King's Rock gives Poliwhirl access to the alternate evolution Politoed. In addition, Gastrodon's Platinum Pokédex entry mentioning it previously having a rocky, sturdy shell comes from it's beta sprite.
- Leaf, the female protagonist of Firered and Leafgreen, is a redesign of an apparently unused female protagonist from the original games. Tirtouga greatly resembles an unused Pokemon from gen 2.
- On the subject of Generation 2, Pokémon Gold and Silver were originally going to contain a skateboard in addition to the bicycle; an idea that ultimately never made it into the final game. Years later in Pokémon X and Y; the player character is given roller skates in addition to getting the bike later on.
- Sheik's redesign in Super Smash Bros. Brawl is based on a design made during the development ofThe Legend of Zelda: Twilight Princess, which is why it matches the art style of said game.
- In Batman: Arkham City, two mooks will discuss a rumor that Harley Quinn used to be a man. Rocksteady motion-captured Quinn with a male actor, and even posted a fake reveal of this to tease fans.
- Some of the many voiceovers introduced by the Perpetual Training Initiative DLC in Portal 2 are from an Alternate Universe Cave Johnson who got his consciousness transferred to a computer, only to later start musing about the metaphysical implications of this and asking "What if injecting my consciousness into a computer robbed me of an eternal reward?". This is a reference to a very early version of the script where Johnson was going to be the Big Bad.
- In the final version of Fallout 3, at the end of the Wasteland Survival Guide questline, your character can sarcastically ask Moira Brown if, with you having done virtually all the legwork and research for the Guide, Moira wants you to find a publisher, too. She cheerfully replies that won't be necessary. Guess what you had to do in one prerelease version of the questline.
- In Minecraft, one of the most iconic enemies, the Creeper, was originally meant to be a model for a pig. However, the model was botched but to date, it is kept in the game as aforementioned Creeper.
- In Killing Floor, one of the pinned-up newspapers reads "SUSPECTED CULT" and shows a picture of the clots from the original mod.
- When you enter the modern or the future era in Civilization 4, you get an image of a digital clock with a brand "Soren" showing the time 5:23. This refers to Soren Johnson, one of the game's main developers, whose birthday is on May 23rd.
- Kirby Mass Attack takes place on the Popopo islands. The original concept for Kirby's Dream Land was a game called Twinkle Popopo.
- For BIT.TRIP Presents... Runner2: Future Legend of Rhythm Alien, protagonist CommanderVideo (who was a minimalist retraux figure◊ in the main BIT.TRIP series) was originally going to be redesigned◊ by Ty Dunitz. When problems came up trying to get the character model to work, the planned redesign was changed to this◊. Dunitz's design still managed to make it into the game as the unlockable character CaptainVideo.
- Fire Emblem Awakening has Paris, the final SpotPass character who proclaims himself to be Ike's descendant and wields his trademark Ragnell. His name is what Ike had for a code name during early development of Path of Radiance. The English language localizations lose this by renaming him Priam, though this sets up a different case of Shout-Out Theme Naming, as Priam, King of Troy, had a son named Paris.
- In Mass Effect 2, among the character Jack's many tattoos are images of several punk-ish looking women. While the official art book claims they're former members of gangs she was in that were murdered, behind the scenes they're concept art sketches◊ from when Jack was being designed◊.
- In Mass Effect 3, after the Grissom Academy mission and meeting Kahlee Sanders, James Vega mentions that his estranged father's last name was Sanders, but that he's not related to Kahlee. Originally, James' last name was going to be Sanders, but was changed to Vega because Kahlee Sanders had already existed since Mass Effect: Revelation.
- Broken Age has Curtis the lumberjack as a character who is afraid of trees (they keep screaming at him). He was originally nothing more than a test of the art-style of the game and later a place-holder to see how the game was to be controlled and played. He was dubbed the "hipster lumberjack" by the devs and became so popular with the community that they demanded he be in the game when it was revealed he wasn't.
- The Legend of Zelda often uses elements unused in prior games. The Horse Call in Twilight Princess dates back to Ocarina of Time (then a Reed Whistle), where it was scrapped in favor of Epona's Song. From the same game, the Hero's Shade teaching you moves is similar to an unused concept for Majora's Mask where Link learned skills via cutscene.
- Early versions of the TC_Inferno map for MechWarrior Living Legends had an odd runway for the Space Planes, where the vehicle factory was off to the side of the runway, with a concrete wall on the other side, requiring players to taxi onto the runway then turn before taking off. Most of the Alpha Testers would simply mash the afterburner key the instant they got into the plane and then plow into the concrete wall at 400kph. The level designer then replaced the hint screens in the spawnroom with his own hints, saying things like "DO NOT TAXI INTO RUNWAY" or "DO NOT FLY INTO LAVA", depicting planes plowing into the wall or landing in lava, though the screens sadly didn't make it into the final release and were instead highlighted in a Hilarious Outtakes thread.
- Many of Double's attacks in Skullgirls use assets or conceptualisations from other characters' movesets that were abandoned during development.
- One of Ms. Fortune's alternate palette is the colour scheme of her original character design.
- Star Fox Zero for the Wii U brings back the "transforming vehicles" aspect that was originally planned for the cancelled Star Fox 2 nearly 20 years prior. This fact was even acknowledged by Shigeru Miyamoto during the game's debut at E3 2015.
- In Golden Sun The Lost Age there are several hints in the game files, particularly the order of character portraits, that suggest Alex was supposed to be the final party member instead of Piers. This culminates in a small chat when the party meets up with Alex after Piers joins the party, where Alex makes a subtle remark about "being replaced."
- In Bombshell, the fact that Shelly "Bombshell" Harrison is stated to hate bubblegum and sunglasses gains additional meaning if you know that the game was originally supposed to star Duke Nukem, who is associated with both those things.
- Pom Pom's dog, Trivia Time, and Homeschool Winner were both characters that were created for Homestar Runner but never quite materialized; this didn't keep subtle references to Homeschool Winner from cropping up in a few toons, and Trivia Time is officially Pom Pom's pet cookie jar.
- DSBT InsaniT thrives on this trope! Watching the Special Info Episode will make many of these gags easier to understand.
- The first Order of the Stick published book, Dungeon Crawlin' Fools, has an author's commentary in which it is noted that the party's leader, Roy Greenhilt, was originally supposed to be a Squishy Wizard and occupy The Smart Guy role. The author decided that it wouldn't work out to have him be both that and the Only Sane Man, so Roy became a fighter and the sesquipedalian Vaarsuvius was introduced. This makes the strips in which we learn that Roy's father is bitterly disappointed in him for not becoming a wizard doubly funny.
- Another commentary reveals that Roy's misadventure with the Belt of Gender Changing was originally going to be him intentionally donning it to secretly engage in "girl talk" with Miko and learn more about her, only to discover later that he couldn't remove the belt. In the comic he only puts it on as an emergency disguise to help save Elan's life. When Haley finds out, she mocks him and one of her jokes is that this was him trying to impress Miko.
- New Media web shows like Yu-Gi-Oh! The Abridged Series often have the characters, who are played by guys who are usually all friends, make jokes about the actors playing them and, occasionally, about events that happened during the making of the show. Most times, these references are either explained or funny enough that it doesn't matter.
- In the comments to an Arc 13 Interlude chapter of Worm, a chapter in which Imp (a teammate of the protagonist) uses her Perception Filter superpower to spy upon the Slaughterhouse Nine (a band of supervillain Serial Killers), the author mentions Imp's inspiration: a member of the earliest draft of the Slaughterhouse Nine called "Nice Guy" whose power was to be the guy you would never suspect, fading into the background until he could cut your throat without your even considering him a suspect. Which makes it hilarious in the first chapter of Arc 26 when a resurrected ex-member of the Slaughterhouse Nine called "Nice Guy" starts using his power on the heroes (and Anti Villains) to divert suspicion from himself in preparation to killing them, and Imp takes him out with the Bond One-Liner "My schtick."
- In Avatar: The Last Airbender:
- Avatar Roku takes Aang on a spiritual journey, in which Aang learns about Roku's life, and about how strong friendships can transcend spirit and time, but anyone is capable of evil or good. After the revelation, Toph makes a point of asking Aang whether he thinks that friendships can truly transcend lifetimes. It's a thought-provoking philosophical question, but it's mostly also a reference to the fact that some of Toph's development designs (originally a large man) were used to create Roku's Earthbending teacher.
- Katara and Sokka's mother's name is revealed to be Kya, which was Katara's name in the pilot. Taking it one step further, after the creators found out they couldn't use the name Kya but before they named her Katara, they called her Kanna: currently the name of their grandmother.
- The poster for "The Ember Island Players" is based on the cover for the Book 1 DVD, and the play itself had another joke about Toph's original design as she is portrayed as a large man. And how the poster (and the Book 1 DVD cover!) put Zuko's scar on the wrong side of his face.
- The first season finale has the Water Tribe using an ancient and super-pointy Fire Navy uniform for infiltration purposes that is based on the Fire Nation designs from the pilot.
- Also from the original pilot, Zuko was going to have a pet messenger hawk who would be something of an Evil Counterpart to Momo. Then Sokka got one in season three.
- Walt Disney had an obscure character named Mortimer Mouse. Disney had first considered calling Mickey "Mortimer". He actually resurfaced in the House of Mouse series as Mickey's romantic rival—and he reminds one quite a bit of a Mickey parody by the same name that appeared in Bloom County.
- An episode of The Simpsons features Bart and Lisa being beaten to the punch at solving the problem of the week by a brother and sister named Lester and Eliza, who are modeled after Bart and Lisa's far cruder designs in the Tracy Ullman Show shorts.
- Other examples of the modern-day Simpsons meeting their crudely-drawn Tracy Ullman forms include: a season 11 couch gag in which the present Simpsons find their past selves on the couch and run screaming out the room, a scene in "Homerazzi" where one of the staged photos is a New Year's photo for 1987 with Homer, Lisa, and Bart turned into their crudely drawn selves, the Treehouse of Horror opening with all of the horror/fantasy homages has the Tracy Ullman Simpsons buried underground, and one of the clone Homers in "Send in the Clones" is the Tracy Ullman one who says, "Hey, let's all go out for some frosty chocolate milkshakes."
- Frisky Dingo: the title itself is one of these, referring to an insult Killface would have taunted the Xtacles with as they were originally called Whiskey Tango Six in early incarnations.
- One episode of Danny Phantom has the titular character riding a motorcycle, a vehicle Hartman wanted him to ride during early developments of the show (back when Danny was a normal teen hunting ghosts).
- In Transformers Animated, Rodimus Prime's briefly appearing team of Autobots consist of Animated versions of Transformers characters that the members of the main cast were originally supposed to be based off of (Hot Shot who became Bumblebee, Red Alert who was replaced by Ratchet, and Rodimus himself who was renamed Sentinel Prime at the request of Hasbro).
- Quite a few examples from the Total Drama series:
- All of the interns from the first three seasons are recycled from the concept designs for DJ, Cody, Katie, and Tyler.
- In Revenge of the Island, one member of the second generation cast, B, is also recycled from DJ's concept design.
- LeShawna had two concept designs. The second one was recycled into her cousin, Leshaniqua, who shows up in "One Flu Over the Cuckoos".
- The Queen Bee's eyes, body shape and outfit are recycled from Eva's concept design, while her name, "Heather", was originally given to the loner who would eventually become Gwen. Also, Heather's alliance with Lindsay is a throwback to how the former's Big Bad role in Island was originally played by the latter.
- In Island, Gwen forms a platonic friendship with Geoff. In the show's pre-production stages, they were love interests.
- In Action, Gwen and Trent are split up and forced to form opposing teams against each other. In the show's pre-production stages, there seemed to be an actual enmity between the two.
- Courtney's eyes and freckles are recycled from Bridgette's concept design, while Noah shares a few visual similarities with Ezekiel's concept design.
- In the Aftermath episodes, the silhouettes of several concept designs can be seen in the audience.
- In Action, Sadie's concept design is recycled into a paparazzi cutout and, later, into Justin's ex-girlfriend.
- In Ridonculous Race, a pair of twins are recycled from Cameron's concept design.
- Zoey's final design is recycled from Dakota's concept design, while the hairstyle of Staci's final design is similar to that of Zoey's concept design.
- Codename: Kids Next Door: In Operations "Pool" and "Caramel", we see Numbuh 5 wearing glasses (in the "Pool" case, an alternate universe version thereof), in contrast to her regular apperance. This is a reference to her wearing glasses in the pilot (at one point, the CN website for the show even mentioned that she wears glasses).
- In Jimmy Two-Shoes, there are several pictures around the Heinous Manor of Lucius in his concept art's outfit as opposed to his ordinary one. In another episode, Jimmy wears a bowtie, which was part of his concept suit.
- In My Little Pony: Friendship Is Magic:
- In a flashback we get to see Twilight Sparkle's parents. Her mother bears a more than passing resemblance to Lauren Faust's original design for Twilight herself, back when she was meant to be the same character as Twilight (no last name) from the first-gen series.
- One of the photos of Fluttershy pinned to the wall of Photo Finish's studio in "Green Isn't Your Color" is essentially Lauren Faust's concept art of earlier-generation pony Posey, except with wings and an altered cutie mark.
- In "Family Appreciation Day" we get a flashback featuring a young Granny Smith, who looks just like an alternate version of Applejack that Lauren Faust drew for the series' pitch bible.
- In "The Last Roundup", one of the pictures the other characters use while trying to find Applejack is based off a different concept sketch of her.
- One episode of Futurama shows Leela's maternal grandmother, a mutant with a normal arm and a tentacle - which the developers originally planned to give to Leela's mother, who instead has two tentacle arms.
- The Powerpuff Girls had one episode where the Professor's dreams he hadn't accidentally added Chemical X when creating the girls, resulting in the "Run of the Mill Girls", who had no superpowers nor the Girls' unusual features. The designs used were heavily based on redesigns—from when the show was still several years away from even starting—that were considered in response to negative reactions from test groups.
- In the Beetlejuice, there was a rather gross one: evidently, Beetlejuice's fingers are red because of a sexual drawing one of the animators did.
- The protagonist of Captain N: The Game Master was originally pitched as a newspaper delivery boy named Buddy. Once the Season Two Paperboy episode came around, the design was re-used for the character Julio.
- The Justice League's public liaison, Catherine Cobert, was originally slated to appear in the first episode of Young Justice. She got as far as having a character design and a voice actress record her dialogue before she was axed for time considerations, but she survived in two small ways: first, hers is the voice of the Justice League's computer— it's her voice announcing "Recognized: Robin B-Zero-One," etc. Second, her character design was given blonde hair and repurposed as reporter Cat Grant. She eventually made an appearance in the first episode of season two, with a new character design, the same voice actress, and... talking to Cat Grant.
- The Little Mermaid TV series featured a turtle named Clarence, who was first deviced for the movie as King Triton's advisor before being replaced by Sebastian.
- In Beast Wars, Inferno was originally conceived as a new body for Megatron. The show made him a distinct character, but the scrapped idea was referenced in one of the early Season 2 episode, where Megatron in his actual new body collides with Inferno mid-air, and they briefly end up switching heads. Inferno is amused, Megatron not so much.
- A Star Trek: The Animated Series episode features Robert April, the first captain of the Enterprise. The name was indeed one of the options Gene Roddenberry considered for the TOS captain, before he settled for Pike (and eventually Kirk). Canonically, he was the captain of the Enterprise before Pike and he is represented in the Star Trek Encyclopedia with an image of Roddenberry himself wearing a uniform.
- Russell Ferguson from Littlest Pet Shop (2012) originally had a first name of Winston, which would become the surname of a one-shot character in "In the Loop" who frequently got on Russell's nerves.
- The Batman: The Brave and the Bold episode "The Super Batman of Planet X!" featured a robotic butler named Alpha-Red, a play on Batman's Battle Butler Alfred. This is a nod to an Animesque Batman show that Bruce Timm had pitched after Batman Beyond, which would have featured an A.I. Butler named Alpha-Red.