Aurora is the twin sister of Northstar and the former lover of Sasquatch and Wild Child. The character struggled with a dissociative identity disorder for years leading to two distinctive personalities, the quiet, religious Jeanne-Marie and the outgoing, heroic, uninhibited Aurora. Aurora and Northstar worked together for years as part of Alpha Flight, including dealing with Beaubier's struggles with her personality disorders. She was briefly a member of the X-Men and also participated in the Weapon X program in an attempt to gain control of her splintered personalities.