Publication Date: 
17th Mar 2017
Written By: 
Real name

Theresa Rourke Cassidy


Banshee, Morrigan,
Theresa Maeve Rourke


5‘ 6”


115 lbs.


Reddish Blond



First appearance

Spider-Woman (1st series) #37

Known relatives

Sean Cassidy / Banshee
(father, deceased),
Maeve Rourke-Cassidy
(mother, deceased),
Tom Cassidy / Black Tom
(father’s cousin),
Victoria Donnely (mother’s cousin)
Baby Sean (Son, Dupe absorbed by Multiple Man)


Goddess, former private investigator

Group affiliation

X-Factor Investigations, formerly X-Corporation, X-Force, Muir Islanders, Fallen Angels


•Manipulate her vocal chords to generate hypersonic frequencies that act as a sonic scream to shatter, liquefy or disintegrate solid matter, repels objects to shield herself or fly through the air, emit sonar pulses to map out her surroundings or scramble incoming wavelength probes, manipulate sound to create sonic buffer zones that interfere with the travel of sound or summon distant sonds to her, and focus her sonics at another person to cause nausea and dizziness, render them unconscious or deafened, and to hypnotically control their minds or make them experience intense adoration for her; compensates for her powers with superhuman hearing and a resistance to intense sound
•Inherited the power of the Morrigan, transforming her into a Celtic goddess with superhuman strength, a mystically enhanced sonic scream, powers of healing, clairvoyance, teleportation, and attuned to the needs and summons of her supplicants and worshippers