Holly has long brown hair and bright green eyes, wearing glasses as part of her civilian attire. She is fierce, loyal, protective and committed to keeping the world safe and secure. She is a skilled and trained warrior, and quite strategic in both fighting and commanding, acting as one of the unofficial leaders of the team (other than Omni-Man and the Immortal). She remains idealistic despite the harshest struggles, striving to create a better world for all. She is resolute, gritty and stubborn.