Fräulein Elsa Mars is a fictional character and protagonist appearing in FX's American Horror Story: Freak Show. She was primarily created by Ryan Murphy and portrayed by Jessica Lange, debuting in the 2014 episode "Monsters Among Us". Often portrayed as a villain by her fictional troupe of freaks, Elsa serves as one of the main characters during the events of Freak Show who tries to introduce her fame to the world of "monsters." She is the fourth and last character portrayed by Lange in American Horror Story, with the exception of Constance Langdon, whom she reprised in American Horror Story: Apocalypse.