Martin Prince is one of Bart's classmates on The Simpsons and is a genius.  Unfortunately, his nerdy characteristics make him a target for bullies.  He and Bart, although rivals at points, seem to prove to be friends and have even gone on an epic road trip together.

Martin Prince Quotes

Principal Skinner: Whoever did this is in very deep trouble.
Martin: And a sloppy speller too. The preferred spelling of "wiener" is 'W-I-E-N-E-R', although 'E-I' is an acceptable ethnic variant.

Martin: Bart, I hope you won't bear some sort of simpleminded grudge against me. I was merely trying to fend off the desecration of the school building.
Bart: Eat my shorts.

The Simpsons Quotes

(Bart shows the whole classroom the tape for his project called, "How Kittens Are Born: The Ugly Truth")
Bart: and here comes Snowball II. This is the one we kept.
All: EWW!!
Bart: We were gonna keep the gray one, but the mother ate her.
All: EWWWWW!!
Martin: Mrs. Krabappel, he's traumatizing the children!
Mrs. Krabappel: As usual, I agree with you, Martin. Bart, shut that off and take your seat immediately!
Bart: Oh, look! This is really cool. When I hit reverse, I can make 'em go back in.
(The whole classroom screams)

Homer: (Wearing glasses) The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side!
Man: (From inside a bathroom stall.) That's a right triangle, you idiot!
Homer: D'oh!