Kara Danvers, also known as Supergirl, is the main protagonist of the series 'Supergirl.' Born as Kara Zor-El on the planet Krypton, she was sent to Earth as a child to protect her cousin, Superman. Adopting the identity of Kara Danvers, she works as a reporter while embracing her superhero role. Supergirl possesses superhuman strength, flight, heat vision, and other Kryptonian powers, and is dedicated to protecting National City and the world from various threats, balancing her dual life as a hero and a civilian.