Dawn Fiend, formerly called Danielle Petersen, is a female human who was originally scientist studying the sun. During Brainiac's invasion, she was given the power of fire and heat energy due to the xenobites. She is tall, light-skinned, blonde, and well-built. She wears a scanty battle harness for armor, colored red, orange, and pink.
Dawn Fiend is an apprentice of Circe, and is currently learning the ways of evil and crime. She primarily operates in Metropolis, where she works to eliminate all good influence and presence.