Firefly is a kind and sociable woman who cares for those around her. Firefly suffers from Entropy Loss Syndrome, which causes the body to slow down progressively over time. Firefly has long silvery blonde hair with a crystal teal ombre that reaches her waist, and eyes that are a mix of blue, pink and white. Firefly wears a brown blazer over a green and white dress with a yellow bow tied in the front. Firefly is a lesbian and is only attracted to women.