Bartholomew Jo-Jo "Bart" Simpson is a fictional character in The Simpsons. At the age of 10, he is the oldest child of three children to Marge and Homer Simpson. He is the brother of Lisa and Maggie. Bart does not like school. He cares for his family, and pranks everyone else. At the time when The Simpsons was launched T-shirts were released that had a picture of Bart saying "Underachiever. And proud of it". Nancy Cartwright is the voice of Bart. He's a skateboarder. He made his first appearance in the Simpson short, "Good Night", on The Tracey Ullman Show.
He likes to ride on a skateboard and makes prank phone calls to Moe's Tavern to annoy the owner, Moe Szyslak. The name "Bart" is an anagram of brat.
Bart goes to Springfield School along with his 8-year-old sister Lisa. Bart often gets grade F's in school, whereas Lisa gets A grades. At Springfield Elementary, Bart's best friend is Milhouse Van Houten. Bart has received detention multiple times, and during the start of the show he is seen writing things repeatedly on a blackboard as a form of punishment. He is a successful pranker.