The animated Simpson family consists of Lisa, Homer, and BART. Lisa is a 4 letter word, Homer is a 5 letter word, and BART is a 4 letter word. Lisa is the 8 year old daughter of Homer and Marge, who is an intelligent and independent young girl. Homer is the father of the family, who is often portrayed as a bumbling and lazy character. BART is the 10 year old son of Homer and Marge, who is mischievous and rebellious.