I personally don't think that you can pick a particular character in the Simpsons as your favorite. It's like picking your favorite Metallica song, ya just can't do it 'cuz their all so damn good.
My favorite quotes:
Grampa Simpson
"I never thought I could shoot down a german plane, but last year I proved myself wrong."
Homer
"Hey theres a NEW Mexico"
"Shut up brain or I will stab you with a q-tip!!"
"Oh Lisa, you and your stories. Bart's a vampire. Beer kills brain cells. Now let's go back to that...place, where a our beds and TV...is."
"Don't discourage the boy, Marge, weaseling out of things is important to learn. It's what separates us from the animals. Except the weasel"
Lunchlady Doris
"More testicles means more iron"
.....oh damn there are just too many damn funny ones to list here.
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Meine schwester hat keine kartoffel salat? Du bist eine lustige bube!!