Unknown Female Dog (Number 2) is an unnamed preschooler who made her first debut in the episode "Cast Away". In the her debut she was seen at the camp riding a bicycle. She appeared again in the episode "World Girls". She was most of the time seen at the World Girl World store along with many other girls of all ages. She appears to be friends with Lisa as she was seen with her in the episode, but the relationship between her and Lisa is a mystery. It is not known if she attends school at the Elwood City Preschool.