Sun(R)

Sun is a golden she-cat with gold-brown stripe down her back and across her ears and green eyes.

Moon(TNC)
Sun don't appear at all, but is losely mentioned as Moon referred to his comrades, which he meant as the Mist Cats, and sun is one of the Mist Cats.

Sun(TNC)
Coming Soon

Family
Brother: Moon; spirit (as of  Moon)