Lisa Simpson

The Simpsons character
Lisa Simpson
Gender	Female
Job	Student at Springfield Elementary School
Voice actor	Yeardley Smith
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First appearance
The Simpsons	"Good Night" (1987)
"Simpsons Roasting on an Open Fire" (1989)

Lisa Marie Simpson is a character in the animated television series The Simpsons. The person who does the voice for the character is Yeardley Smith. Matt Groening, the creator of the series, named her after his sister. She is the oldest daughter and middle child of Homer and Marge Simpson, and the sister of Bart and Maggie.

Lisa is an 8-year-old girl. She is one of the most intelligent characters on the series, with an I.Q. of either 156 or 159. She also plays the saxophone and is a vegetarian. Despite her cleverness Lisa has typical childhood issues. For example, in the episode "Lost Our Lisa" she gets lost after riding the bus alone.