2. Bart Simpson was born on 1st April 1979.
3. Bart has a twin brother named Hugo.
4. Bart's best friend is Milhouse Van Houten.
5. Bart has nine spikes of hair on his head.
6. Simpsons creator Matt Groening made Bart by an anagram of 'brat'.
7. Matt Groening based Bart Simpson's character on comic book character 'Dennis the Menace'.
8. Bart is voiced by Nancy Cartwright - yes, a woman.
9. Originally 'The Simpsons' was going to be based 100% on Bart.
10. Bart's rebellious attitude and pride at underachieving caused many parents to cast him as a bad role model for children.
11. A T-shirt reading "I'm Bart Simpson. Who the hell are you?" was banned in several public schools.
12. Bart has his own comic book series called 'Bart Simpson Comics' which have been released since 2000.
13. Bart has also appeared in commercials for Burger King, Domino's Pizza, Kentucky Fried Chicken and Subway.
14. Michael Jackson, who was a fan of The Simpsons, wrote the song "Do the Bartman".
15. Bart Simpson has been strangled by Homer over 60 times throughout the show... so far.
16. Bart was originally going to be called 'Mort Simpson'.
17. Bart's favourite movies are Jaws and the Star Wars trilogy.
18. The only episode that he does not appear nor is mentioned is "Four Great Women and a Manicure".
19. Bart is left-handed, like Matt Groening.
20. Bart's blood type is O Negative, making him a universal donor.
21. Bart once died in the episode 'Bart Gets Hit By a Car', but was told to return to life by Satan.