* The very first line of the first ever installment of WebVideo/TheAngryVideoGameNerd, opening the "review" of ''VideoGame/CastlevaniaIISimonsQuest'':
--> "This game sucks."
* Sarah's StickEmUp prank in the ''{{lonelygirl15}}'' episode "Crazy Emo Chick".
* Simon Wood's first scene on the island in ''Roleplay/SurvivalOfTheFittest'' sets up his central theme: coming close to succeeding then falling at the final hurdle.
* Captain Hammer in ''WebVideo/DoctorHorriblesSingAlongBlog'' has one of these ''every single time he's on camera!'' Almost as if Creator/JossWhedon wanted to really [[{{Pun}} hammer home the point]] about what a creep he is...
* Most of the main characters in the WhateleyUniverse get them:
** Chaka starts off as a young black teenage boy sharing a room with his unpleasant GangstaWannabe older brother, except he's not only becoming a mutant and having to go to a SuperheroSchool but [[GenderBender turning into a girl as well]], because this setting is basically ''ComicBook/XMen'' with the gay rights allegory promoted from subtext to an actual plot point... And '''[[{{Transsexual}} she]]''' is [[JumpedAtTheCall absolutely goddamn stoked about it.]] She also [[SassyBlackWoman loudly and angrily calls her brother out on his bullshit.]]
** The headmistress, Dr. Elizabeth Carson, gives the welcome speech and immediately comes across as someone you'd better not cross. Then later on, at Halloween, we meet her other identity, Lady Astarte, and we find out she's '''really''' someone you shouldn't tick off.
** Trevor James Goodkind is a ShelteredAristocrat, heir to billions in a wealthy anti-mutant business family and being groomed to be one of the Goodkinds who takes over the reins of power. We first see him and his family at dinner, being waited on, having a staff of chefs, and Trevor is plotting about how, when he grows up, he's going to get his favorite chef to come with him when he moves out. The next morning, he manifests as a mutant and things rapidly go downhill from there, with a series of BreakTheHaughty scenes.
* The first episode of ''TheGuild'' is just a long string of these for each of the characters, first establishing Codex with her weblog:
-->Codex: So, it's uh Friday night, and...still jobless, yay. I haven't left the house in a week. My therapist, uh, broke up with me. Oh yeah, there's a, there's a Gnome Warlock in my living room, sleeping on my couch.
* Zack from ''WebVideo/EchoChamber'' gets his before the opening credits roll on [[ShowWithinAShow Episode 1]]:
--> '''Tom''': Thank you, Zack, for ruining the 20th take.
--> '''Zack''': You're welcome, man.
--> '''Tom''': You're not sorry, are you?
--> '''Zack''': Nope.
* Even though she's much more developed now, WebVideo/TheNostalgiaChick's massive ego was seeded with her very first line:
--> Hi, I'm your Nostalgia Chick, and I, [[WeAllLiveInAmerica like most of the world]], am an American."
* Likewise, WebVideo/TheNostalgiaCritic's SadClown-ness started with him being DrivenToSuicide at a dumb song in ''WesternAnimation/CartoonAllStarsToTheRescue''.
* In the very first game the LetsPlay/MarioPartyTV group played, Mr. Doom won the board and Holms, in his anger, RageQuit the game (by shutting the entire game off). Sets the tone, don't it?
* In ''Blog/ThingsMrWelchIsNoLongerAllowedToDoInAnRPG'', the very first entry gives the reader a ''very'' good idea of the kind of person Mr. Welch is:
-->1. Cannot base characters off Music/TheWho's drummer [[AllDrummersAreAnimals Keith Moon]].
* In ''Literature/DreamHighSchool'', most of the characters have one very soon after they're introduced.
** Corliss' second line:
--->She gasps excitedly. "You're from Central High, right?!"
** Gavin:
--->One of them tenses, his shoulders shooting up. He turns around slowly, his face downturned but eyes glaring up at Corliss'.
** Nara, when she gets Corliss off your back:
--->"Hey, no problem, that's what best friends are for! I can tell you're stressed out."
** When Micah explodes on Page 14:
--->"Look, you don't even have any friends besides Nara, and all you do is hole up with her in this house! You need to get out there and make more friends, and here's the perfect, lowest-risk opportunity to do it! You're a loner, a loner! And you've been this way ever since Mom died, and I'm-" he uses a passion word I never thought he'd use- "sick of it!"
** Principal Wyatt, when she talks to you about the dream scenery on page 24.
** When Iris leads the group of actors your way on Page 27.
--->"Iuh- saw you swoop in yesterday night. THAT was funny! Uh, anyway, you'll probably be joining US! WE'RE THE DWARRVES!"
** Roy's introduction:
--->"...Roy."
** Aidan tries to bug you as soon as you meet.
--->Aidan gets in my face with a giant smirk: "Jiiiiiiiii-dooooooooww? Or do you prefer to go by 'Grok'?"
* From ''Roleplay/DinoAttackRPG'':
** When he first appeared, Montoya initially came off more or less seemed just another petty crook looking for money, acting casual and occasionally joking with his partners. However, the brief glimpse into his personal life and his subsequent calling out of his own partner for refusing to tip a waitress quickly showed how likeable a guy he really was and turned him into an EnsembleDarkhorse.
** Rotor probably got his establishment as a rough and cold-minded but extremely competent leader when he lead the initially assaults on the XERRD Fortress, considering he got to show off his talents rather nicely.
** Cabin's introductory scene more or less established her as a realist, though she had a few later moments that showed off another side.
** Pharisee arguably got his when we first met him, coldly looking over the case files of several controversial individuals and judging them each harshly. It certainly sets up several things, among them his brutal beat down of Montoya.
** Unintentionally subverted with [[TheScrappy Trigger]], whose introductory scenes attempted to establish him as a {{Badass}} and an expert in the Maelstrom, but only caused people to see him as a complete {{Jerkass}} and an idiot.
** Sarah Bishop's [[spoiler: rather violent NoHoldsBarredBeatdown of Rotor, not to mention bludgeoning Cabin in the face when she tried to break it up]] should give you a pretty good idea of her mental state by this point.
** A simple example, but Pierce was first introduced as a doctor helping Zenna after she sustained serious injuries. [[TheMedic That should give you a pretty good idea of his role in all this]].
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