Mommy Mearest has a demonic-looking appearance with purple skin, black eyes with red glowing pupils and long auburn hair with several pointed ends and a curved cowlick. She wears a form-fitting red dress underneath of a black jacket, black thigh-high heel boots, a black garter belt, golden hoop earrings, a golden necklace and a pair of golden bracelets on each wrist. She has dark red lipstick on and sharp, red-painted fingernails. While also Mommy Mearest is a skilled pop singer who seems to be powerful in terms of both abilities and status. She is condescending and prideful as a performer, being even more evil than her husband. Mommy Mearest is also the secondary antagonist of Friday Night Funkin. She is the demonic pop-star mother of the Girlfriend and the wife of Daddy Dearest, who is willing to slaughter people en masse to prevent them from dating her daughter.