4th Grade Female Aardvark is an unnamed fourth grader who made her first debut in the episode "Arthur Goes to Camp". In the episode she was at Camp Horsewater who competed against Camp Meadowcroak in a scavenger hunt. Horsewater would go on to subsequently lose to Meadowcroak. She is a member of the Tough Customers as seen in a few episodes, which means that she most likely bullies other kids. Despite being a member of the Tough Customers, she has notably made fewer appearances throughout the series then any other member of the group.