Lisa Simpson

Lisa Marie Simpson is a fictional character and one of the main protagonists in the animated television sitcom series The Simpsons. She is the middle child of the Simpson family. Voiced by Yeardley Smith, Lisa was born as a character in The Tracey Ullman Show short "Good Night" on April 19, 1987. Cartoonist Matt Groening created and designed her while waiting to meet James L. Brooks. Groening had been invited to pitch a series of shorts based on his comic Life in Hell, but instead decided to create a new set of characters. He named the older Simpson daughter after his younger sister Lisa Groening Bartlett. After appearing on The Tracey Ullman Show for three years, the Simpson family were moved to their own series on Fox, which debuted on December 17, 1989. Lisa has appeared in every episode of The Simpsons except for "Carl Carlson Rides Again".

Intelligent, kind, and passionate about the planet and all living things, Lisa Simpson is the second child of Homer and Marge. She is the younger sister of Bart, and the older sister of Maggie. At age 8, Lisa's high intellect and left-wing political stance creates a barrier between her and other children her age. She is a loner and a social outcast. Lisa is a vegan, a bibliophile, a strong environmentalist, a feminist, and a Buddhist. Lisa's character develops many times over the course of the show: she becomes a vegetarian in season 7, converts to Buddhism in season 13, and becomes a vegan in season 32. A strong liberal and activist for peace, equality, and the environment, Lisa advocates for a variety of political causes (e.g. standing against apartheid in South Africa and supporting the Tibetan independence movement) which sets her against most of the people in Springfield. However, she can also be somewhat intolerant of opinions that differ from her own, often refusing to consider alternative perspectives and showing a feeling of self-righteousness. In her free time, Lisa enjoys many hobbies such as reading and playing the baritone saxophone. She has appeared in other media relating to The Simpsons—including video games, The Simpsons Movie, The Simpsons Ride, commercials and comic books—and inspired a line of merchandise.