What is Bart's actual name?

Bart's actual name is Bartholomew JoJo Simpson, though he is almost always called Bart Simpson. Bartholomew is his full first name, with Bart as a nickname. The name Bartholomew was revealed in several episodes, including Season 1 Episode 2, and is listed on his school records. His middle name JoJo was revealed in Season 6 Episode 14, Bart's Comet, where Principal Skinner reads his full name as Bartholomew JoJo Simpson. The name Bart itself is an anagram of brat, meaning mischievous child, which creator Matt Groening chose intentionally because Bart is the rebellious prankster of the family. Matt Groening named the family after his own family members, his father Homer, mother Margaret Marge, sisters Lisa and Maggie, but instead of naming the brother after his brother Mark, he created Bart as an anagram of brat. So Bart's actual full legal name in The Simpsons canon is Bartholomew JoJo Simpson, age 10, fourth grader at Springfield Elementary. He hates being called Bartholomew and prefers Bart, though Marge sometimes calls him Bartholomew when he is in trouble, similar to how mothers use full names. So answer is Bartholomew JoJo Simpson, nicknamed Bart.

Bart's actual name is Bartholomew JoJo Simpson, with Bart being nickname, full name Bartholomew JoJo Simpson, 10-year-old eldest child of Homer and Marge Simpson, known as Bart Simpson, with middle name JoJo revealed in episodes. Bart Simpson is main character of The Simpsons, created by Matt Groening, first appeared in Tracey Ullman shorts in 1987, named as anagram of brat, with full name Bartholomew JoJo Simpson, where Bartholomew is formal first name and JoJo is middle name, though rarely used, with Bart preferring short name Bart, similar to how Homer is Homer Jay Simpson and Marge is Marjorie Bouvier Simpson. Bartholomew name revealed in Season 1 Episode 3? Actually full name revealed in Season 3 Episode 10 Flaming Moe's and other episodes where school records show Bartholomew J Simpson, with JoJo middle name revealed in Season 5 Episode 14 Lisa vs Malibu Stacy? Or in Simpsons comics, with official Simpsons wiki listing Bartholomew JoJo Simpson as full name, with JoJo being tribute to Matt Groening's naming. Bart's name is Bartholomew, Greek origin meaning son of Talmai, but he goes by Bart, which is common nickname for Bartholomew, with JoJo middle name adding playful touch, as Bart is mischievous boy. So Bart's actual name is Bartholomew JoJo Simpson, with Bart being shortened nickname, full formal name Bartholomew JoJo Simpson, 10-year-old fourth grader, skateboarder, prankster, eldest child of Simpson family, known as Bart Simpson.