Homer: Bodom because he's the 'dad' here
Grandpa Simpson: Robstar because he's so old and senile when he farts dust flies out
Ned Flanders: Goody two-shoes/Do no Wrong-er. HolyJose for the win!
Lisa: Young, quirky, sexually repressed--AshleyPunk you get this one ahaha
Bart: Cocky, Mischevious, and somehow somebody always wants to strangle him. Dennis you get this one buddy lol
Marge: The mom of the show, and the girl that has to put up with all the rest of the goons. PandaBaby this one is you.
Bong Smoking Bus Driver (can't remember his name): Kashdinero, do I need to say more?
Portly Police Officer: Iron Ape
Mr. Burns: Rated_R(ob)KO