Mom (Cow and Chicken)

Mom (Cow and Chicken) is one of the female characters from Cow and Chicken. She is the mother of the titular characters. She is shown to be very tall that her and her husband faces (or above the belt) is never shown.

Cartoon
Because she and her husband are so tall that both would use their feet to do normal things such as picking up things or opening things

101 Uses for Cow and Chicken
Near the end of the episode where Mom spots her children (who for some reason didn't know they were her kids) she removed her left foot out of her shoes to pick up cow. Strangely though her feet became larger when she removed her foot out of her shoe.