"Aunt Effie" is Heinz and Roger's aunt, who first appeared in "Escape from Phineas Tower". She praised Roger for being polite, but got angry at Doofenshmirtz for saying "that's some mole!",and she made him clean chicken coop with a spoon.
Effie is an overweight woman with orange hair, and she wears a lavender shirt, a purple skirt and black shoes. She also has a huge mole on her nose.