Leslie Maurin Thompkins (sometimes spelled Tompkins) is a fictional character appearing in comic books published by DC Comics, usually as a supporting character in stories featuring Batman, of whom she is an ally. Created by writer Dennis O'Neil and artist Dick Giordano, she first appeared in Detective Comics #457 (March 1976).[1]
She debuted in live action in 2015 on Fox's television series Gotham, where she was portrayed by Morena Baccarin.