Helen has medium-length black hair and blue eyes, and often wears glasses. She is intelligent, cunning and an excellent spy and strategist. She is pragmatic and ruthless, but not amoral and prefers to do the right thing, although she can go to any lengths to do what is right, and complete the mission. She prefers winning and thinks pragmatically rather than emotionally, which is a boon for any team she graces. She is also an expert combatant and can control her emotions.