Corky James "Jimbo" Jones is the leader of the gang of bullies at Springfield Elementary.  Jimbo is normally seen in his signature purple knit hat, black t-shirt with skull, and jeans.

Jimbo Jones Quotes

(Mayor Quimby address the comic book convention.)
Mayor Quimby: You might say I feel like....Radiation Man!
Jimbo: That's Radioactive Man, jerk!

Jimbo: No matter how dead their relationship seems, all parents eventually commit the heinous acting of love.
Kearney: Mine do it once a year on the magical day when the prison and the insane asylum have their annual mixer.

The Simpsons Quotes

The Constitution? I'm pretty sure the Patriot Act killed it to ensure our freedoms.

Bart

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!