1 Mr. Peabody
Mr.Peabody is an accurate match
2 Sandy Cheeks
Sandra "Sandy" Cheeks is a fictional character in the Nickelodeon animated television series SpongeBob SquarePants.
She made a machine that can make duplicates of your self
3 Jimmy Neutron
James "Jimmy" Isaac Neutron is a fictional character and the main protagonist of the Jimmy Neutron franchise . He is most notably the main protagonist of the 2001 American 3D computer-animated comic science fiction film Jimmy Neutron: Boy Genius and the main protagonist of the American computer animated ...read more.
Greatest Lab in all the Nick universe Jimmy Timmy Power hour is proof of this!
He has invented spaceships in one fudging day
Jimmy Neutron seems smart. - cosmo
12 year old kid - IQ of 210. - sandycheeks
4 I.M. Weasel
5 Professor Frink
6 Stewie Griffin
Stewart Gilligan "Stewie" Griffin is a main character from the animated television series Family Guy. Obsessed with violence and matricide, Stewie is the youngest child of Peter and Lois Griffin, and the brother of Meg and Chris Griffin.
Stewie is easily #1 come on he built a time machine in other genius devices in let's not forget he's a evil genius baby?
A baby built a damn time machine. #1 on this list please
Built a time machine
He’s even smarter than his dad
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7 Sheldon J. Plankton
Sheldon James Plankton, or simply Plankton, is a character in the Nickelodeon animated television series SpongeBob SquarePants.
I LOVE HIM SO MUCH! #! - happyhappyjoyjoy
8 Gary the Snail
Gerald "Gary" Wilson Jr. is a fictional character who is a pet snail owned by SpongeBob SquarePants in the American animated television series SpongeBob SquarePants.
10 Lisa Loud
At 4 years old, Lisa is the second-youngest child of the Loud family and the second-youngest of Lincoln's five younger sisters. She is often seen working on complex experiments, equations, and formulas. Her most annoying habit is her weird studies on others, especially her siblings.
This is pretty obvious
11 Brian Griffin
Brian H. Griffin, popularly known without his middle initial as Brian Griffin, is a fictional character from the animated television series Family Guy.
No not at all he's an ass whose intelligence is very basic to possess - Kevinsidis
Dexter is a fictional character and the titular protagonist of the Cartoon Network animated series, Dexter's Laboratory.
What is he doing here? He should be a 6 at least.
Has his own labratory
13 Rick Sanchez
Rick Sanchez is a fictional character from the American animated television series Rick and Morty, aired on Adult Swim.
Simply the wittiest and smartest character!
He has an iq of 5150
14 Maggie Simpson
Margaret "Maggie" Simpson is a fictional character in the animated television series The Simpsons. She first appeared on television in the Tracey Ullman Show short "Good Night" on April 19, 1987. Maggie was created and designed by cartoonist Matt Groening while he was waiting in the lobby of James L. ...read more.
15 Lisa Simpson
Lisa Marie Simpson is a fictional character in the animated television series The Simpsons. She is the middle child and most intelligent of the Simpson family.
16 Miles "Tails" Prower
Miles Prower, more commonly known by his nickname Tails, is a fictional character in Sega's Sonic the Hedgehog series. He is a significant main character after the title character Sonic, who is also his best friend.
He Help Sonic in his adventures
17 Tommy Pickles
Thomas "Tommy" Malcolm Pickles is a fictional character that appears in the Nickelodeon animated television series Rugrats and its spin-off All Grown Up! as the protagonist of the shows.
Which one: the Rugrats version, or the All Grown Up version? - Interrogator
18 Squidward Tentacles
Squidward Tentacles is a fictional character voiced by actor Rodger Bumpass in the American animated television series SpongeBob SquarePants.
19 Bugs Bunny
Bugs Bunny is an animated cartoon character, created by the staff of Leon Schlesinger Productions (later Warner Bros.) He is one of the most famous cartoon characters, and he is in the show Looney Tunes. His famous quote is "What's up doc?". He is a gray colored bunny with big teeth and big feet. His ...read more.
He always beats elmer fud
20 Jerry Mouse
Jerry Mouse is a fictional character and one of the title characters in Metro-Goldwyn-Mayer's series of Tom and Jerry theatrical cartoon short films. He is a mouse that gets chased by Tom, but tries to trick him so he won't catch him .
Jerry mouse always tries too help people
Jerry is so smart and cute! Also, I hope he gets his own show without that stupid mean cat being involved. Jerry needs to be at number 2, behind Yakko Warner of Animaniacs.
21 Velma Dinkley
Velma's a great gal
Edd, mostly referred to by his nickname "Double D," is one of the three protagonists in the Canadian-American animated comedy television series Ed, Edd n Eddy. He is the physically weakest but the most intelligent member of the Eds.
She is really smart sometimes. Also my favorite cartoon character. - wanda
She is smarter than Cosmo and Anti-Wanda. - cosmo
24 Louise Belcher
And how exactly?
25 Twilight Sparkle
Twilight Sparkle is the primary main character of My Little Pony Friendship is Magic. She is a female unicorn pony who transforms into an Alicorn and becomes a princess in Magical Mystery Cure.
Smartest Character of My Little Pony:Friendship Is Magic - MLPFan
Dr. Whooves is much smarter than her. She should be nowhere on this list. Characters like Mr. Peabody, Brian Griffin, Sandy Cheeks, and Stevie Griffin are all much more smarter and likable than her.
26 The Brain (Pinky and the Brain)
27 Larke Tanner
She even got the answer to the Louisiana Purchase right! - Interrogator
28 Meg Griffin
Megan "Meg" Griffin is a character from the animated television series Family Guy, voiced initially by Lacey Chabert, thereafter by Mila Kunis.
29 Perry the Platypus
Perry the Platypus, also known as Agent P or simply Perry, is an anthropomorphic platypus from the animated series Phineas and Ferb.
30 Ferb Fletcher
Ferbs "Ferb" Fletcher is a British character on the animated television series Phineas and Ferb. The character, voiced by British actor Thomas Sangster, was created by Phineas and Ferb co-founders Dan Povenmire and Jeff "Swampy" Marsh and first appeared in the show's pilot episode, "Rollercoaster."
31 Double D
Double D is already listed
Alwys get as on tests
33 Yakko Warner (Animaniacs)
Too bad the people that vote here are stupid themselves. They don't even know what intelligence is. This list is missing the true intelligent characters. Yakko truly is intelligent, though.
Yakko should be 1#
34 Martin Prince
35 Brainy Brian (Horrid Henry)
36 Timmy Turner
Timothy "Timmy" Tiberius Turner is a ten-year old boy who is a fictional character and the main protagonist of the American animated series The Fairly OddParents created by Butch Hartman for Nickelodeon.
I'm not saying he is dumb but Timmy Turner is not smart at all
37 Tweety Bird
38 Mighty B
39 Micky Mouse
40 Gretchen Grundler
He's even smarter than sandy cheeks!
The smart leader of the Infernites on Mixels
Dora is the main protagonist in the show "Dora the Explorer" her main occupation is exploring with her monkey friend Boots .
What is this Numbskull doing on this list?! This list is for smartest characters, not most annoying, ugliest, dumbest, or fattest.
Dora is not smart and whoever put her on this list
Fluttershy is a female pegasus pony from the 2010 animated TV show My Little Pony: Friendship is Magic. She is a kind pegasus and is very timid and shy. She takes care of the animals.
44 Test Tube (Inanimate Insanity)
46 Iron Man - Super Hero Squad Show
Not really but kinda.
47 Ghoulia Yelps
49 Keswick (T.U.F.F. Puppy)
50 Truman X (The X's)