* In the comments on [[http://hiddendepths.smackjeeves.com/comics/1447584/057-primeape/ this page]] of ''151 Hidden Depths''.
-->"And Hitmonchan is definitely his own character now. Seems like just yesterday I only used him to fill out a bully spot with no future plans on what to do with him..."
* In the sprite comic ''AnsemRetort'', [[FinalFantasyVII Red XIII]] was initially a member of the replacement cast while the main cast went missing. Thanks to some manipulation by Darth Maul, he became evil enough to fit in with the main cast. His ascension was complete when the rest of the cast picked him over [[DemotedToExtra Marluxia]] to come along on a trip to Hawaii.
** And in the newest season, Marluxia is actually trying to ''reverse'' his [[DemotedToExtra demotion to extra]]. This is why he won't let Sora be taken hostage: he gets more screen time this way.
* Ganondorf from ''Webcomic/BrawlInTheFamily'' had no important roles with the exeption of one single strip where he appeared as AffablyEvil JokeCharacter. Surprising for one of the most popular villains in Nintendo history, right? Well, Cocoon Academy revealed that [[spoiler:[[FaceHeelTurn back when he was a nice guy]]]] he was the teacher of [[{{Kirby}} Dedede]] and [[SuperMarioBros Bowser]]...
* Jason Porter from DomainTnemrot. In volume one he's just the guy who riles up the crowd during the titular stadium's matches and wasn't even important enough to get a name beyond 'Ref' but then in volume two was upgraded to be a major antagonist. His tag is still 'ref' though.
* In ''Webcomic/ElGoonishShive'', Rhoda was previously just another of Diane's lackeys and not more than a minor character. After her character was merged with that of an extra, she became more of a supporting character and her actions kicked off a major storyline albeit without her knowledge.
** Susan was also just going to be Sarah's friend and head of Moperville North's Feminist Club, but not much else. Fans declared that she looked perpetually bored, but Dan said that, as he fleshed out Susan's character, the half-lidded eyes that Susan sported reminded him of [[BrokenBird something other than boredom]].
* The Jägerkin from ''Webcomic/GirlGenius''... oh, so much
* Kiley Shefford entered ''Webcomic/MenageA3'' as a one-panel gag; a nameless sufferer from the ACupAngst so often induced in other women by the sight of [=DiDi=]. She subsequently reappeared looking after a magazine stand visited by Yuki, who vandalised some of the stock. Kiley promptly volunteered to act as Yuki's psychotherapist, with some mixed success -- which in turn led to her [[spoiler:deflowering Gary, the comic's original protagonist, whose virginity was widely assumed to be the comic's prime concern]]. Kiley later returned as [[spoiler:Matt's lover, friend, and therapist]], and continued to work with Yuki. And she's still working on the ACupAngst.
** Peggy may also have the look of a former extra, although her ascension was meteoric, from panel-side joke to [[OnlySaneWoman only (relatively) sane woman]] in half-a-dozen strips.
* ''Webcomic/MSPaintMasterpieces'': [[strike: All]] ''Most'' of the Robot Masters get bigger roles than they did in the original games, but Electric Man got this the most.
* Kaitlyn of ''Webcomic/{{Precocious}}'' was referred to by [[WordofGod Chrispy]] as the central character of another strip. That other strip (''Copper Road'') was eventually made.
* ''Webcomic/TheOrderOfTheStick'':
** Daigo and Kazumi Kato. Their progression from {{Red Shirt}}s to {{Mauve Shirt}}s is lampshaded when they invoke the trope NominalImportance, and they continue to gain importance from there, both in-universe (being risen to nobility) and in the narrative.
** Celia's case is especially glorious, beginning as a mere gate guardian NPC and ending up as the main character's girlfriend.
* Kathryn in Schlock Mercenary. Most of the main cast has explicit ties to the toughs. She just won't go away.
* In ''{{Sinfest}}'', the anonymous succubi who hung onto {{Satan}}'s arms turned into Fuchsia, a LoveInterest and immensely popular character, and Baby Blue, who got less development but did acquire a name and a friendship with Fuchsia, fueling conflicting loyalties for her. Even the green succubus, introduced after Fuchsia left Satan's employment, has more characterization that the masses of succubi before.
* Dr. Schlock entered ''Webcomic/SluggyFreelance'' as a one-off ChewToy for [[KillerRabbit Bun-bun's]] ire. His time-travel counterpart became involved in more and more major story arcs, until he got one of his own arc plus a major hand every other.
* In ''{{Suppression}}'', [[EnsembleDarkHorse Kirk]] started out as a random mook that got punched in the face by Sally.
* [[{{Troll}} The Trolls]] in ''Webcomic/{{Homestuck}}''. Andrew planned for them to have minor roles at best and never planned to introduce them all. That changed and they became the EnsembleDarkHorse to beat all others of the series, [[SpotlightStealingSquad so much so that to many they are what the series is about.]]
** MS. Paint anyone?
** When Andrew was working on ''Webcomic/ProblemSleuth'', he was accepting donations for non-canon fan commands in the secrets page. One of those commands was Problem Sleuth summoning The Midnight Crew. A few more commands later each member were given actual names. They then became a recurring canon element of ''Homestuck'' before later properly debuting as full-fledged characters in an intermission, and have gone on to sporadically appear since then. In fact, a direct AlternateUniverse {{Expy}} of the Crew's leader is ''Homestuck''[='=]s BigBad.
*** It should be noted that the Warhammer Of Zillyhoo also came from the secrets page during ''Webcomic/ProblemSleuth'', that eventually became one of John's [[InfinityPlusOneSword Infinity Plus One Hammers]] canonically speaking.
** After the Scratch, the kids' various ancestors step into the spotlight and join the main cast. Pretty good for faceless characters that Hussie didn't even originally know would all ''be'' ancestors.
** Lil' Cal goes from being a creepy joke prop to [[spoiler: being the ectobiological father of Doc Scratch to being Lord English's host. And then it's revealed that he's something called a "juju", which apparently brings calamity to all universes it has ever existed in.]]
** [[MonsterClown Gamzee]] [[TheStoner Makara]] was one of the least notable trolls... [[spoiler: until he ran out of sopor pie and went AxCrazy. Also, he created Lil' Cal, and was the surrogate father to the BigBad!]]
* in ''VoodooWalrus'' a couple of lowly union ninjas by the name of Phil and Dave go from being sources of amusing random conversation (usually regarding one's problematic ex-girlfriend)to Mac's personal right-hand men in the Infernum slaughter. Though the ex-girlfriend commentary still lingers.
** NUXXOR! also went from being a random, expendable extra to a prominent villain later on.
* In ''WapsiSquare'', Tina was originally a minor, recurring character who ran the coffee shop the main characters frequented. However, once the strip's supernatural elements started to become more prominent, she developed a bizarre backstory and effectively became a main character in her own right.
* ''YuMeDream'' has [[spoiler:Lia, who pretty much intruded into Fi's dreamspace. Also, from a slightly more straightforward perspective, Lia's "cousin" Sadako.]]
* Once a minor character in ''TheWordWeary'', Mona Byrnewald has ingratiated herself into the main story and become one of its most integral parts.
* ''Webcomic/WhiteDarkLife'' takes [[Anime/SonicX Galaxina]] from a few appearances in flashbacks into an integral part of the backstory.
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