Actress Batman.
Over the years, various female characters have assumed the identity of Batgirl, including The Lego Batman Movie.
On Joss Whedon was originally set to direct DCEU’s Batgirl but will reportedly be replaced by a female filmmaker. Check out Deutch's Tweet below.
Batgirl makes perfect sense for Deutch given her career trajectory. Earlier in the decade, she co-starred with Sarah Michelle Gellar in the CW series Ringer before transitioning into feature films. Deutch headlined the 2014 comedy horror adaptation Back to the Future) and filmmaker Howard Deutch (Pretty in Pink). Her sister, Madelyn Deutch, is also an actress (Outcast, The Year of Spectacular Men).
As a performer, Deutch excels at physical comedy. She’s also proven herself capable of handling dramatic roles as well. For Batgirl, Deutch’s skill set fully aligns with the DC character, and she seems more than ready for the next phase of her career. A lead role in Batgirl would undoubtedly give Deutch a huge platform to display her versatility as an actress.
Source: Zoey Deutch