Cookie once described them as "Cute Kids," which is true. Trudy is nine and a quater, and Isabelle is seven. The girls are shown to be have a very close relationship. They apparently like pulling crazy pranks according to a WhiteHouse guard.
Trudy and Isabelle were both voiced by Cree Summer. They are based on Sasha and Malia Ann Obama, who are the daughters of the 44th President Barack Obama, who was the current President during the airings of Pound Puppies.