i finally came up with a name for her and its doctor sadly im still working out a name a lot more creative than that but it'll do
name: J--- A-----------
Hair colour: Gray
history: she worked as the head to the hospital that treated patient zero, she had lost loved ones to the virus that had caused this and after losing her wife and daughter to the virus she snapped and became a infamous killer that killed her victims in a multitude of ways her favorite mainly consisted of disembowelment and slow torture
appearance: she wears a dark gray cloak with a plague doctor mask but under it she wears a respirator to help she wears a bullet proof vest on top of a old business suit that is both flexible; tough and easy to run and parkour around in. She wears a pair of sneakers her eyes a dark green colour and she her hair is mainly cut short.
weapons: a FN-Five Seven-(to penetrate some armors) , and mainly serrated knives and a cane sword
skills: highly skilled doctor-(will help people if they don't attack her on sight despite being blood thirsty), good with guns and blades, has knowledge of herbal remedies , and a competent parkourist.
note: Highly dangerous and unstable will attack anyone if they feel like a threat or she is feeling a itch to scratch with her gun or blades.