Tina Fey
"30 Rock" is an American satirical television sitcom that was broadcast on NBC. Created by Tina Fey, the series follows the lives of the head writer of "The Girlie Show with Tracy Jordan" (TGS), Liz Lemon (Tina Fey), the other staff members of "TGS", and their network executive, Jack Donaghy (Alec Baldwin).