 
	My story begins back in nineteen-dickity-two. We had to say ‘dickity’ cause the kaiser had stolen our word ‘twenty’. I chased that rascal to get it back, but gave up after dickity-six miles.— Grampa
 
Name: Bartholomew Jo-Jo Simpson
  Identity: The troublemaker of the Simpson family.
Age: 10 (2 years and 38 days older than Lisa)
  Family: Homer, Marge, Lisa, Maggie, Abe, Jacqueline, Patty, Selma,
  Herb
  Blood type: Double-O negative.
  Allergies: Butterscotch, imitation butterscotch, glow-in-the-dark
  make-up.
  Catchphrases: Aye Carumba!, Eat my shorts, I didn't do it!
Best friend: Milhouse Van Houten
  Enemies: Nelson Muntz, Jimbo Jones, Dolph and Kearney
  Mortal enemies: Sideshow Bob, Dr Dementia
  Hero: Ronny Beck
  Idol: Krusty the Klown
First words: "Ay Carumba!"
  Hobbies: Causing trouble (eg making prank calls to Moes Tavern),
  Watching TV, skateboarding.
  Past loves: Laura Powers, Jessica Lovejoy, and Sarah plain and tall.
Awards won: Best writing in a cartoon series for Itchy & Scratchy [9F16]; 1st prize in the Science Fair for his flying hamster [9F14]; and some others: 6th place, honorable mention, participant, runner up, 4th place, and Everybody Gets A Trophy Day.
Previous jobs: The "I Didn't Do It" boy [1F11], army officer [7G05], script writer for Itchy and Scratchy [9F16], and a blackjack dealer in his Treehouse casino [1F08], factory boss [4F19], worker at Android's Dungeon (the Comic Book Store) [CABF08].
Possible future jobs: Police officer [8F15], Chief Justice of the Supreme court [9F03], a Demolition worker [2F15], a lawyer [2F15], and a member of a band [BABF13].
Appearances: Every episode. Has had two birthdays [8F11 & 9F04],thwarted numerous evil plans by Sideshow Bob, fallen down a well, flooded the school, bought a factory for $1.00, and been a presenter on 'Kidz Newz'.
"You've got the brains to go as far as you want. And when you do, I'll be right there to borrow money."