Bartholomew "Bart" Simpson is voiced by Nancy Cartwright (that's right, a woman!) and is Homer and Marge's only son on The Simpsons. Bart is an underachiever and was definitely much more of a bad boy in th ebeginning seasons of the show.
Now, Bart, although he has not aged, has certainly matured as a character. Do the Bartman people.
Milhouse: If it's the blue hair and the schnoz you're digging, I've got plenty more cousins.
Bart: Thanks Milhouse, I think I'm gonna steer clear of Van Houtens for awhile.
Milhouse: More for me, marrying a cousin worked out great for my parents.
Wow, now I see why they call you Miss Hoover. You must have been vacuuming for an hour.Bart