Pig's mom is generally kind to others, including her son and husband, but she can get impatient when it comes to viewing Calvin Clam Underpants fashion shows, to the point of taking the wheel on her own will in "Underpants-Palooza", leading to the car crashing into the building.
Pig's mom looks a bit similar to Pig, but is a bit shorter than him. She has red curly hair and wears red lipstick. She wears a yellow striped dress covered by a light green polka dotted apron. Her outfit looks similar to Lady Primavera's dress. She also wears black shoes.