Rosie Fitzgerald is one of Ramona's best friends appearing in the Kids' WB animated series: I Was A Teenage It Girl. She has long blond hair and blue eyes and wears glasses. Her main outfit is composed of: a green long sleeved shirt, blue jeans and red flats. She is voiced by Colleen O'Saughnessey (who has also done the voices of Jody Irwin from The Life and Times of Juniper Lee and Janet Van Dyne a.k.a. Wasp from The Avengers: Earth's Mightiest Heroes). At her age, she is 13 years old.
- Holly Fitzgerald (Mother)
- Leroy Fitzgerald (Father)
- Diana Fitzgerald (Younger Sister)