>>90334161I know the post bait, but all the Simpsons have middle names starting with 'J' as a tribute to Rocky and Bullwinkle, where all the character's middle names are the letter 'J'.
Bart's name is JoJo because when Matt Groening asked Nancy Cartwright what she thought Bart's middle name was, she said "Jojo" followed by a piercing REEEEEEE screech.
