Bart Simpson, voiced by Nancy Cartwright, is the son and trouble maker of The Simpsons household. Well, unless you count his father Homer as the main trouble maker.
Maggie? Oh, you must be sick. Let's see, what's old Dr. Washburn prescibe? Do you have dropsy? The grippe? Scofula? The vapors? Jungle rot? Dandy fever? Poor man's gout? Housemaid's knee? Climatic poopow? The staggers? Dum-dum fever?
