Too easy question for me!
Located: Arkham Asylum, Gotham City
Most likely attendance: Surgery hours, from 9am to 5pm non stop, please take an appointment
Secret Hideout?: Her presence isn't but nobody there knows she's the ruthless and coldhearted
Inquisitor of the Overmind, lurking in town and murdering the murders.
Connected Villains: Do you really need me to list you all the crazy maggots lurking there?
Located: Overlooking the town and preying evil in all its form.
Most likely attendance: Every night, no need for an appointement. Please don't close the windows, it's upseting to have to break in.
Secret Hideout?: No secret: her cold smirk, her chitinous shell and her white glowing eyes are here to strike fear in your heart and her superpowers are here to rip it off!
Connected Villains: Any that the Overmind will point her toward.