Siryn

Siryn (Theresa Rourke Cassidy) is a Marvel Comics superhero, associated with the X-Men. Created by writer Chris Claremont and artist Steve Leialoha, she first appeared in Spider-Woman #37 (April 1981). Like her father, the X-Men’s Banshee, Siryn is an Irish mutant, who possesses a "sonic scream" capable of incapacitating and injuring an opponent's hearing and sending powerful vibrations through the air. She can use these vibrations to fly. Her na... more

Siryn (Theresa Rourke Cassidy) is a Marvel Comics superhero, associated with the X-Men. Created by writer Chris Claremont and artist Steve Leialoha, she first appeared in Spider-Woman #37 (April 1981). Like her father, the X-Men’s Banshee, Siryn is an Irish mutant, who possesses a "sonic scream" capable of incapacitating and injuring an opponent's hearing and sending powerful vibrations through the air. She can use these vibrations to fly. Her name refers to the Sirens of Greek mythology. Siryn was raised by Banshee’s cousin and arch-nemesis Black Tom Cassidy without Banshee's knowledge. By her early teens, she left Black Tom and joined the X-Men offshoots X-Force and X-Factor. While Sean Cassidy was working on a deep undercover mission for Interpol, his wife Maeve gave birth to their daughter, Theresa, at Cassidy Keep, County Mayo, Ireland. Not much later, Maeve died in an IRA bombing. With no means to contact Sean, his cousin Tom took care of Theresa. When Sean returned to learn of... less