Helly Riggs / Helena Eagan

Helly R. arrives on the severed floor of Lumon Industries with no memory of who she is or why she chose to be there. Unlike her colleagues who have accepted their strange existence, Helly immediately rebels, attempting to resign and even escape through increasingly desperate means. Her outie — her unsevered self — coldly refuses every resignation request, creating one of the show's most disturbing dynamics: a person trapped by their own other self.

Helly's defiance galvanizes the Macrodata Refinement team. Her refusal to accept the status quo forces Mark, Irving, and Dylan to confront the injustice of their situation. She becomes the catalyst for their rebellion against Lumon, pushing them toward the Overtime Contingency plan that allows their innies to briefly experience the outside world.

The Season 1 finale delivers a devastating twist: Helly's outie is Helena Eagan, the daughter of Lumon CEO Jame Eagan and an heir to the Eagan dynasty. Helena underwent severance as a PR stunt to promote the procedure, making Helly's innie rebellion not just personal but political — a direct challenge to the family empire that created the technology. In Season 2, Helly grapples with this identity crisis while deepening her relationship with Mark and continuing to fight against Lumon from within.