 In spite of Mr. Herriman's fussiness and fixation with rules and cleanliness, she is usually very friendly, outgoing and laid-back.According to her driver's license in "Bus the Two of Us", she was born on July 25, 1984.Frankie is friends with most of the imaginary friends at Foster's (particularly Wilt, Eduardo, Coco, and Bloo) and can be described as a protective big sister to them.