"Sheesh. Forget a woman's birthday four or five times and you hear about it forever."
—Roger Fox, FoxTrot
Ever since you called me a 'freaky fish guy', I haven't been able to escape it! All over the world people see me and shout, "Hey, it's that freaky fish guy! Wanna throw a harpoon at us, Freaky Fish Guy?". And all because I ONCE threw a harpoon at somebody. Does that mean that I DESERVE being labelled a 'Freaky Fish Guy'!?...It's not like I make a habit out of it.
—Mako Tsunami, Yu-Gi-Oh! The Abridged Series
"If a man builds a thousand bridges and sucks one dick, they don't call him a bridge-builder — they call him a cocksucker."
—Vince Boudreau, Play it to the Bone
Danny: And I always confuse Monet and Manet. Now which one married his mistress?
Danny: Right, and then Manet had syphilis.
Tess: They also painted occasionally.
Okay okay, geez, look, I kill a guy one time and now I'm never gonna live it down for the rest of my life, am I?
—Doctor Insano, The Spoony Experiment
I'd been a Serial Killer for four years, but they'd never given me a nickname. Then...you bite one guy on the arse, and suddenly you're "The Buttmuncher".
—Frankie Boyle doing "Unlikely Lines in a Thriller Movie", Mock the Week
Ranma Arrives: Ranma arrives. Surprising, huh? "You're a pervert!" said Akane, inadvertently setting her fanfic characterisation for all time.
"Last time I was here, I said I was a (referring to his penis) "Magnum". Now people are always screaming 'Magnum' at me...I really shouldn't have said it."
— Gackt, a Japanese musician, retells a story he will never live down.
If Al Gore invented The Internet, I invented spell check.
—Dan Quayle, inventing Gore's invention of the internet
The reader also knows that everyone poos. But if the first thing a character does is poo in front of the reader, the reader will think of him as the Pooing Character forevermore.
Milhouse: Then let's just say, I don't care what people think of me anymore.
Bart: You mean up until now you did care? Then why did you wear that tutu to school last week?
Milhouse: What about all the times I didn't wear a tutu? Nobody ever brings those up!
—The Simpsons, "Milhouse Doesn't Live Here Anymore"
Character: Says "I like bread" that one time.
Fandom: Character has an obsession with bread. Bread is character's true love. Draws character as bread. Every meta joke in fanfic is about bread. The character's room is wallpapered with bread.
Lucky, lucky you. You get his attention right from the start, and I'm willing to bet he's not going to leave you alone. It almost makes me feel better about the time you crammed those bugs into my mouth and ears.
Alistair loves cheese like Sten loves cookies. Which is to say they mention those things maybe twice, period.
— David Gaider on Dragon Age fans
No one every lets me forget the time I wouldn't come out of a tunnel in case the rain spoiled my paint.
—Henry, "Percy Takes The Plunge"
Perdita: Mickey, she took our puppies!
Cruella: One movie and you're labelled for life!
—House of Mouse, "House of Crime"