"Hey Mom, that's the monster in my computer" — The Daughter tells her mother about Candace[src]
This Unnamed Mother and Daughter has made a large amount of appearances in Phineas and Ferb.
The mother has red hair with a green clip and wears a long green blouse, dark green skirt and brown shoes. While the daughter long brown ponytail with a blue ribbon and has two small buck teeth, and wears a long blue sweater with a zipper, blue skirt and white shoes.
The image gallery for Unnamed Mother and Daughter may be viewed here.