Season 1

“The knowledge... It fills me! It is neat!”

— Eric Trueheart, GIR, Rosearik Rikki Simons, imdb.com

“I have come to accept your feelings for me. I congratulate you for acknowledging my superiority in choosing me as your love-pig. FEEL HONORED!”

— Eric Trueheart, Zim, Richard Steven Horvitz, imdb.com

“Zim: Now do you understand my latest and most brilliant plan for earth conquest Gir? Gir: I'm gonna eat that fish. Zim: No, Gir. The fish is part of the plan.”

— Rob Hummel, GIR (voice) & Zim (voice), Rosearik Rikki Simons & Richard Steven Horvitz, imdb.com

“Zim: I am the only one who can decode the files! Dib: And I am the one with the files to be decoded! Gir: AND I'M... AAAH-ahah... I dunno.”

— Eric Trueheart, GIR (voice), Dib (voice), & Zim (voice), Rosearik Rikki Simons, Andy Berman, & Richard Steven Horvitz, imdb.com

“I'm an unstoppable death machine, you know.”

— Rob Hummel, Zim, Richard Steven Horvitz, imdb.com

“Zim: Computer, give me all the information you have on the FBI. Computer: The FBI is a government law enforcement agency. Zim: Continue. Computer: Insufficient data. Zim: Insufficient data? Can't you just make an educated guess? Computer: O... kay... Um, founded in 1492 by, uh... demons, the FBI is…”

— Frank Conniff, Courtney Lilly, Rob Hummel, Zim (voice) & Computer (voice), Richard Steven Horvitz & Jhonen Vasquez, imdb.com

“Children, your performance was miserable. Your parents will all receive phone calls instructing them to love you less now.”

— Frank Conniff, Courtney Lilly, Rob Hummel, Ms. Bitters, Lucille Bliss, imdb.com

“I was out playing like any normal Earth larva.”

— Courtney Lilly, Rob Hummel, Zim, Richard Steven Horvitz, imdb.com

“That hover craft is a joke of engineering and that helmet would never protect your brain from lasers!”

— Frank Conniff, Rob Hummel, Courtney Lilly, Zim, Richard Steven Horvitz, imdb.com

“Dib: [gasping] Sorry I'm late... horrible... nightmare visions! Ms. Bitters: It's called life, Dib. Now sit down.”

— Jhonen Vasquez, Rob Hummel, Dib (voice) & Ms. Bitters (voice), Andy Berman & Lucille Bliss, imdb.com

“The Dib, he's missing! They've taken him and drained him of his sweet, sweet blood candies!”

— Jhonen Vasquez, Rob Hummel, Zim, Richard Steven Horvitz, imdb.com

“[as the class watches the class hamster, Peepi, running on his hamster wheel] Ms. Bitters: Take a good look, children. It will prepare you for your adult lives in our nightmarish corporate system.”

— Eric Trueheart, Frank Conniff, Rob Hummel, Ms. Bitters, Lucille Bliss, imdb.com

“GIR: [Disguised as Government Man] I am Government Man, come from the government. The government has sent me.”

— Jhonen Vasquez, Eric Trueheart, Rob Hummel, GIR, Rosearik Rikki Simons, imdb.com

“I was born with webbed fish toes... like some kind of horrible fish boy. Wanna see?”

— Jhonen Vasquez, Rob Hummel, Dirge (voice), Danny Cooksey, imdb.com

“Gir: [five minutes after eating it, crying] I miss my cupcake.”

— Jhonen Vasquez, Rob Hummel, GIR, Rosearik Rikki Simons, imdb.com

“[ZIM's imagination] Reporter: Congratulations on discovering the grotesque space monster! Tell us, how did you know he was an alien? Scientist: Well, we noticed he had no friends.”

— Jhonen Vasquez, Rob Hummel, Reporter (voice) & Scientist (voice), Antoinette Spolar & Richard Steven Horvitz, imdb.com

“Zim: Okay Gir, now, which way is home? Gir: It's this way... Or maybe that way. Oh, I don't know. Zim: How can you not know? I just recharged your guidance chip. Gir: Oh, I took it out. Zim: Took what out? Gir: The guidy, chippy, thingy. Zim: Why would you do that? Gir: To make room for the cupcake.…”

— Jhonen Vasquez, Rob Hummel, GIR (voice) & Zim (voice), Rosearik Rikki Simons & Richard Steven Horvitz, imdb.com

“Almighty Tallest Red: You will be sent to a planet so mysterious, no one has even heard of it! Almighty Tallest Purple: Right! And those who have heard of it dare not speak its name! Zim: What's its name? Almighty Tallest Purple: Oh, I dare not speak it!”

— Jhonen Vasquez, Rob Hummel, Almighty Tallest Purple (voice), Almighty Tallest Red (voice), Zim (voice), Kevin McDonald, Wally Wingert, Richard Steven Horvitz, imdb.com

“Dib: What about his horrible green head? Zim: INSOLENT SCHOOLBOY! It's a skin condition. Dib: [to class] And he's got no ears! Is that part of your skin condition, Zim? No ears? Zim: Yes.”

— Jhonen Vasquez, Rob Hummel, Zim (voice) & Dib (voice), Richard Steven Horvitz & Andy Berman, imdb.com