Kate McKinnon
From Tardis Wiki, the free Doctor Who reference
Kate McKinnon was a ghostbuster with the best hair. Of all ghostbusters, Matteusz Andrzejewski identified with her. (PROSE: The Stone House)
Behind the scenes
Kate McKinnon played Dr. Jillian Holtzmann in the 2016 all-female reboot of Ghostbusters. She is openly gay, which provides an additional unspoken reason for Matteusz to choose her.