Quotes / Accidental Misnaming

Strong Bad: Hey, Dairy Queen.
Strong Sad: I told you, I don't wanna be called that anymore. I made a mistake!
Strong Bad: Oh, sorry, Dairy Queen.

Peppermint Patty: Before we go, kid, I want to ask you something. How come you're always calling me "sir" when I keep asking you not to, huh? Don't you realize how annoying that can be?
Marcie: No, ma'am!

Timmy: Don't worry, Mom and Dad. Even if you did forget my birthday, it's OK.
Dad: What?! Forgot your birthday?
Mom: We'd never forget your birthday, Tommy!

Rodney: Trigger - why do you call me Dave? My name's not Dave, my name's Rodney.
Trigger: I thought it was Dave.
Rodney: No, it's Rodney.
Trigger: You sure?
Rodney: Yeah, I'm positive. I've looked it up on me birth certificate and passport and everything! It is definitely Rodney!
Trigger: Oh well, you live and learn... So what's Dave, a nickname like?
Rodney: No! You're the only one who calls me Dave! Everybody else calls me Rodney, and the reason they call me Rodney is because Rodney is my name.
Trigger: Oh well, I shall have to get used to calling you Rodney.
Rodney: Thank you.
Trigger: Here, Basil, you gonna get this meeting started? Me and Dave ain't got all night.
Only Fools and Horses, "Homesick"

"Thanks, Bossa Nova! Er, Bag O' Matzo. Copacabana?"
SD Gundam

Jade: Does "the IRIS" mean anything to you?
HH: [groggily] Listen here, Miss Thyrus...
Jade: [chuckles] It's Jade. ...And I haven't the foggiest how we're going to get out of here.
HH: Perhaps I can be of some assistance there...
Jade: So you are Double H!
HH: Double H? Triple Z? Look, whatever pleases you; don't ask me. All I know is that in another ten minutes, I was a goner. I Owe You My Life. Hence: You can count on me, Miss Thyrus!
Jade: [giggling] Jade! My name is Jade!

Buttercup: Hey Poop! Get us out of here!
Coop: I told you before, it's Coop!

Mickey: I bet you don't even remember my name!
Ninth Doctor: Ricky.
Mickey: It's Mickey!
Ninth Doctor: No, it's Ricky.
Mickey: I think I know my own name!
Ninth Doctor: You think you know your own name? How stupid are you?
Doctor Who, "Aliens of London"

Yami Yugi: Hello there. I'm here today with 8-bit Mickey, and we're going to-
Nostalgia Critic: Actually, I'm The Nostalgia Critic.
Yami: Oh, my apologies. I always seem to struggle with people's names when I'm promoting Kami-Con.
Critic: Don't worry about it.
Yami: Okay then, let me try that again. I'm here with Linkara, and we're going to-
Critic: Again, wrong, it's the Nostalgia Critic.
Yami: How very foolish of me. Phelous.
Critic: Way off.
Yami: Spoony.
Critic: You're doing this on purpose.
Yami: Bennett the Sage.
Critic: That's just insulting!
Yami: The Nostalgia...
Critic: Yes?
Yami: ...Chick!
Critic: GAH!
Yami: Wait, wait, I've got it. The Angry Video Game Nerd.
Critic: Oh, it's funny because you're saying names that aren't mine!
Yami: Vic Mignogna.
Critic: Who is that? Who even is that?
Yami: Um, Doug Walker.
Critic: Yeah, let's go with that.
Yami Yugi and The Nostalgia Critic, promoting Kami-Con.

Vanitas: ...that's...not it either...I'm trying to remember... Vanitas. That's my name.
Chuck: ...did you say "Vantas"?
Vanitas: ...Vanitas!
Chuck: ...Van-tas?
Vanitas: Vanitas! With an "I"!
Chuck: ...Vaintas?
Vanitas: ...No! Vuh-Nee-Tus. That's how you pronounce my name.
Chuck: ...Bunnytoss?
Vanitas: Close enough.

The principal: We're really sorry about this incident, Cassie...
Carrie: IT'S CARRIE! [psychically knocks the ashtray off the table]

"Clearly. Makes me agitated every-time he gets it wrong. None of his 'names' for me, remotely sound like Kamos."

Kaecilius: Mister...
Strange: Doctor.
Kaecilius: Mister Doctor?
Strange: It's... Strange.
Kaecilius: Maybe. Who am I to judge?