Mater (Pixar's Cars, both have buck teeth and are idiots),
Gahaj (Dogelore, both are green)
Billy (The Grim Adventures of Billy and Mandy, both have big noses and are idiots),
Three (Numberblocks, both are idiots)
Leonard (Total Drama series, both wear green, have buckteeth and are stupid)
Ferdinand (The Railway Series, both have blue and a gap between their teeth),
Greems (Dogelore, both are green)
Babo (Uglydolls, both have buck teeth),
Larry (Veggietales, both are green and stupid)
Mad Hatter (Alice in Wonderland, both wears something green, hats and have buck teeth)
Fangface, (Hanna Barbara cartoons, both have buck-teeth and wear hats),
Patrick Star (SpongeBob SquarePants, both attend to be stupid idiots),
Splatter & Dodge (Thomas & Friends, all three do stupid things. Although Splatter is the more talkative one while Dodge is more intelligent),
Sidney & Paxton (Thomas The Tank Engine, all three have little intelligence. Also Paxton and Mr. Stupid are both dark green),
Brain (Top Cat, both are dim-witted),
Idiot Doge (Dogelore, both are dumb),
Kronk (The Emperor's New Groove, both are believed to be dim-witted, although Kronk is more intelligent than Mr Stupid),
Lampwick (Pinocchio, both are silly and have buck teeth),
Olaf (Frozen, both have buck teeth and have low intelligence, although Olaf is much smarter than Mr. Stupid),
Idiot Doge (Dogelore, both are stupid)
Gopher (Winnie the Pooh, both have buck teeth),
Thumper (Bambi, both have buck teeth),
Knobby Mouse (Doctor Snuggles, both have buck teeth),
Aaron Ighodalo (Andre Ighodalo, both lack intelligence and both are dim-witted),
Horace (Huxley Pig, both have buck teeth),
Ricochet Rabbit (Hanna-Barbara, both have buck teeth),
Charotte (Making Fiends, both are stupid),
Shun Gon the Chinese Cat (The Aristocats, both have buck-teeth),
Dweeb (We're Back: A Dinosaur's Story, both are green and have buck-teeth),
Chavo (El Chavo, both are stupid),
Flippy (Happy Tree Friends, both are green, wear hats and have buck-teeth),
Bucky (Fat Albert and the Cosby Kids, both have buck-teeth),
Dinko the Dog (Astro Farm, both have red noses),
Elmer Fudd (Looney Tunes, both are dim-witted),
Sweep (Sooty, both are dim-witted and have red noses),
Kaos (Skylanders series, both of them are stupid idiots and lack intelligence)
Rocky (James the Cat, both are dimwitted),
Inspector Gadget (Namesake series, both are dim-witted),
Ed (Ed, Edd 'n' Eddy, both wear green and are dim-witted),
Quick Draw McGraw (Hanna-Barbara, both are stupid),
Einstein (Oliver and Company, both are stupid),
Ozzie (Over the Hedge, both are dim-witted),
Bulk (SuperTed, both lack intelligence),
The Chief's Nephew (Jimbo and the Jet Set, both are idiots),
Zip and Zug (TUGS, all three have little intelligence),
S. C. Ruffey (Thomas the Tank Engine, both are silly and loud and have buck teeth),
Cyril Proudbottom (The Adventures of Ichabod and Mr. Toad, both have buck teeth),
Sid (Ice Age, both lack intelligence),
Fred Duck (Garfield / US Acres, both have buck teeth),
Sawtooth (Wacky Races, both have buck teeth),
Quicky (Midnight Horror School, both have buck-teeth and blue),
Inky (Pac-Man, both have blue and lack intelligence),
Clyde (Pac-Man, both are lack intelligence),
Ruby (Jewelpet, both have buck teeth),
Rex (Toy Story, both are green and dim-witted),
Cow (Cow & Chicken, both are stupid),
Duck (Almost Naked Animals, both are stupid),
Trevor (Sidekick, both are stupid and wear green),
Big Dog and Little Dog (2 Stupid Dogs, all 3 are stupid),
Mr. Tweedy (Chicken Run, both are stupid),
Iggy Koopa (Super Mario Bros. 3, both are green and stupid),
George (Swift and Shift Couriers, both are dim-witted and stupid),
Charlie Molison (The Black Balloon, both are stupid and can't do things like normal people do),
Mugsy (Looney Tunes, both are dim-witted and stupid),
Grounder (Adventures of Sonic of Hedgehog, both are green and dim-witted),
Goofy (Disney, both are dim-witted),
Tatty Boogle (Wizadora, both are dimwitted)
Luc and Theo (Looped, all 3 are stupid)
Inky (Pac-Man TV Series, both are dumb)
Putz (Dumb Ways to Die, Both teach you about train safety, both almost get killed by a train, and both have ingrown teeth)
Brer Bear (Song of the South, both are dim-witted)
Dopey (Snow White and the Seven Dwarfs, both wear green and lack intelligence)
Beaver and Rabbit (Franklin the Turtle, all three have buck teeth, although Beaver is a girl, and she and Rabbit are more intelligent than Mr. Stupid)
Trigger and Nutsy (Robin Hood (1973), all three are dim-witted. Fact: Trigger is slightly more intelligent than Nutsy)
Spud (Bob the Builder, both have red, green and blue and low intelligence)
Nuzzle and Scratch (Namesake series, both are stupid idiots),
Frostbite (Care Bears, both are dimwitted)
Peter Griffin (Family Guy, both lack intelligence and have something green, Peter wears green trousers)
Bowser (Mario series, both have green and lack intelligence)
Bertie (Hubie and Bertie, Looney Tunes, both have buck teeth)
Starscream (Transformers, both lack intelligence)
I. R. Baboon (I Am Weasel, both lack intelligence)
Lightning (Total Drama series, both are stupid)
The Moog (Willo the Wisp, both lack intelligence)
Krusha (Donkey Kong Country, both are dumb)
Dog (The New Kid On The Block, both are stupid)
Clarence (Namesake series, both are stupid)
Clueless Morgan (Muppet Treasure Island, both are stupid, wear hats and have buck teeth)
Leni Loud (The Loud House, both are dumb)
Chip and Skip (Camp Lazlo, all 3 are stupid)
Cat Valentine (Victorious/Sam & Cat, both are dumb, childish and unintelligent)
Goomer (Sam & Cat, both lack intelligence and both are stupid)
Coconuts (Adventures of Sonic the Hedgehog, both are dumb)
Grover (Sesame Street, both are dim-witted)
Casey Jr. (Dumbo, both are stupid)
Alf the Pizza Man (Cats' Eyes, both are stupid idiots)
Dumb Donald (Fat Albert, both are dumb)
Bronier/MLPer/Ponier (Namesake User, both of them are dim-witted, dumb, stupid, idiots, and are not very intelligent)
McGee (Camp Lakebottom, both are dumb and stupid)
Lincoln Loud (The Loud House, both are dumb and stupid)
Scooter (SuperMarioLogan, both are dumb and stupid)
Ed (All That - Good Burger, both are dumb and stupid)
Cosmo (The Fairly Odd Parents, both are stupid and have green)
Timmy Turner (The Fairly Odd Parents, both lack intelligent and have buck teeth)
Sniff (Timbuctoo, both have buck teeth)
Zender Man/Oscar Ferguson/Clank Dog (Internet, both are idiots)
Slondyman the Powerful (Internet, both are idiots)
Gretchen Grundler (Recess, both have buck teeth),
Phoebe Buffay (Friends, both are dim-witted)
Homer Simpson (The Simpsons, both are stupid, dumb and are idiots)
Bunny (The Powerpuff Girls, both are dumb and stupid and have buck teeth)
Mad Hatter (Batman/DC Comics, both wear hats and green and have buck teeth)
Horace and Jasper (101 Dalmatians, all 3 are dimwitted),
Edgar (The Aristocats, both are dimwitted),
Lefou (Beauty and the Beast, both are dimwitted),
Kaa (The Jungle Book, both are green and dimwitted),
The Chameleon (T.U.F.F. Puppy, both are green)
Kon Kujira (Grojband, both are stupid)
Mr. Snoops (The Rescuers, both are stupid and have buckteeth)
Verminious Snaptrap (T.U.F.F. Puppy, both are stupid and have buckteeth)
Julien (Ice Age, both are idiots and stupid)
Magellan (Eureeka's Castle, both are green, not very bright, and have buckteeth. However, Magellan is a young dragon whilst Mr. Stupid is likely a grown man)
Calico (Muppet Treasure Island, both have buckteeth and wear hats)
Peter Pettigrew (Harry Potter, both have buckteeth)
Joey Tribbiani (Friends, both are dim-witted)
Wallace (Wallace and Gromit, both wear green and are dim-witted)
Bebop and Rocksteady (Teenage Mutant Ninja Turtles, both have no intelligence)
Special Ed (Crank Yankers, both have buckteeth and are stupid)
Beavis and Butthead (Namesake series, all three are stupid)
Meatwad (Aqua Teen Hunger Force, both have buckteeth and are dumb)
Master Shake (Aqua Teen Hunger Force, both are stupid)
Chuck (Space Chickens in Space, both have low intelligence)
Rufus (Kim Possible, both have buckteeth)
The Lemmings (Grizzy & the Lemmings, all have buckteeth)
Dimwit Dog (Heckle and Jeckle, both have no intelligence)