Kara Danvers is a DC character and Superman's cousin. She assumes her hero identity as Supergirl in her
spare time.
Kara was born on
the planet Krypton, just like her cousin Kal-El.
Her alien name is Kara Zor-El. Kara Danvers is her Earth name because of the Danvers family, who raised her on Earth since she came to our planet.
She is the
protagonist of the TV series Supergirl since 2015.