she is the counterpart of superman
Melissa Benoist plays Supergirl on the CW's show "Supergirl".
Black Supergirl
Most commonly known is Superman. Others include other krptonians such as Krypto, Superboy & Supergirl.
He did not act in Supergirl
SuperGirl saves the world like SuperMan.
Supergirl first appeared in Action Comics #252 (May 1959) titled The Supergirl from Krypton
Kara is the Kryptonian name for Supergirl, so..yes. Like Superman she is from the planet Krypton and has the same powers as him. She is Superman's niece, I believe.
Jeannot Szwarc directed Supergirl.
Superman Supergirl was created in 1998.
Supergirl - Matrix - was created in 1988.
Supergirl - film - was created in 1985.
Helen Slater starred as Supergirl in the movie Supergirl.