The transgender activist behind a landmark “restroom of choice” case is marking another historic first. This time on television.

Nicole Maines has been cast as the first transgender superhero to be featured on a television show.

She will join the upcoming fourth season of the CW’s Supergirl as Nia Nal, a young reporter who eventually fulfills her destiny, transitioning into a superhero called Dreamer. 

Read more about Nicole’s reflections on her new role as Nia Nal on NPR News.