Thara is a Kandorian woman closely related to the legacy of Nightwing and Flamebird, and subsequently to the Superman Family. Pre-Crisis, Thara Gem-Zee was the niece of Van-Zee (Nightwing) and the wife of Ak-Var (Flamebird).
Post-Crisis, Ak-Var married a woman named Tes, and they had a daughter, Thara Ak-Var. Thara were close friends with Kara Zor-El, the future Supergirl. Thara was living in Kandor when the city was shrank by Brainiac, and reunited with Kara's parents when Brainiac captured them. Zor-El and Alura took care of her like a daughter. After being rescued by Superman and the foundation of New Krypton, Thara would become the hero known as Flamebird.