Rouge is an anthropomorphic bat with white fur, tan skin, teal eyes and endowed female features. She has large pointy ears, small fangs, a bare muzzle with a small black nose, a short tail, and a pair of black wings on her back.

Her typical attire consists of a black skintight jumpsuit, a pink, heart-shaped chestplate-like top with white trim, and tall white gloves and boots with pink cuffs. The boots are high heeled and feature hearts on the toes.