She is a round and fat green-skinned humanoid female fighter. Monna is seen wearing a yellowish suit with red bands on the neck and armholes, has indigo hair with 2, large ponytails, yellow gloves with orange bands, white belt, blue small pants, and clover boots. Monna is confident of her strength seemingly to the point of overconfidence. Monna is able to cause her lower body to swell in size, forming a giant ball. In this state and her power greatly increases.