Lisa is the nerd in the family. She studies a lot and she is the best in her class, but she was the second smartest in the class when Laura showed up. Lisa plays the sax and she is very good at it. She is often rebelling against the family, the school - well the hole freakin' system. She is also a vegetarian, and that happend in the episode where the family went to see an amusement park "for babies"...