Jolly, as per her name, is the more exuberant of the two, perky and upbeat. Jolly finds it easier to blend in to society and more cunning, often planning out her kill and toying with her prey. Her voice in this state is higher pitched and prone to giggling.
Gloomy is the opposite, being callous, impatient, brutal and quick to anger. Gloomy prefers just to attack regardless of her target being isolated or with witnesses. As such, she tends to get the pair into trouble when she's unable to keep he