-> ''"I heard you were crazy. I didn't think you were stupid."''
-->-- '''Franchise/{{Superman}}''', ''World's Finest'' episode of ''WesternAnimation/SupermanTheAnimatedSeries''

-> ''[[PunctuatedForEmphasis "What An. IDIOT!]]''"
-->-- '''Hermione Granger''', ''Harry Potter and the Sorcerer's Stone''

-> ''"What an almighty idiot! Yep, that's what he is!"''
-->-- '''Pokey Minch''', ''Videogame/EarthBound''

-> ''"STUPID!!! YOU SO STUPID!!!"''
-->-- '''Kuni''', ''Film/{{UHF}}''

->''"ARE YOU OUT OF YOUR FUCKING MIND?!?!?"''
-->-- '''[[WesternAnimation/FamilyGuy Lois Griffin]]''', after Peter tried to shoot her a la ''SchindlersList''.

->''"You [[LargeHam EEDIOT!]]"''
-->-- '''Ren''', ''WesternAnimation/TheRenAndStimpyShow''

->''"Sir, I think you have a problem with your brain being missing."''
-->-- '''Zoe''', ''Series/{{Firefly}}''

->''"You dumbass."''
-->-- '''[[{{Irony}} Butthead]]''', ''WesternAnimation/BeavisAndButthead''

->'''Jon:''' Ha ha! Do I feel stupid.\\
'''Garfield:''' That's because you '''are''' stupid.
-->-- ''ComicStrip/{{Garfield}}''

->''"You see?'' You see?! ''Your stupid minds! Stupid!'' Stupid!!!''"''
-->-- '''Eros''', ''Film/Plan9FromOuterSpace''

->''"What '''''is''''' it with you kids these days?! Is it '''''hip''''' to be stupid nowadays?"''
-->-- '''Bowser''', ''ComicBook/NintendoComicsSystem''

->''"Uh-oh, retard alert! Retard alert, class!"''
-->-- '''Garrison''', ''WesternAnimation/SouthPark''

->''"Stupidity is frightening."''
-->-- '''Heathcliff''', ''WesternAnimation/HeathcliffAndTheCatillacCats''

->'''''"YOU IDIOT!!!"'''''
-->-- One of [[Disney/TheHunchbackOfNotreDame Claude Frollo]]'s common insults, ''WebAnimation/TheFrolloShow''