Siryn (Theresa Cassidy)

Theresa Cassidy, also known as Siryn, is a Marvel comic superheroine associated with the X-Men. She possesses sonic scream and flight abilities.

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Profession :

Character

Persona :

Cinematic | Literary

Universe :

Marvel

Birthplace :

Cassidy Keep, County Mayo, Ireland

Theresa Cassidy, also known as Siryn, is a Marvel Comics superheroine who first appeared in Spider-Woman #37 in 1981. She is the daughter of Banshee (Sean Cassidy) and Maeve Rourke Cassidy. As a mutant, Siryn possesses sonic powers, which allow her to create powerful sound waves and fly. She has been a member of various superhero teams, including X-Force, X-Factor, and the X-Men.

Siryn has appeared in several X-Men-related animated series and video games. She made her live-action debut in the 2006 film ‘X-Men: The Last Stand’ and later appeared in the 2018 film ‘Deadpool 2’.

In recent years, Siryn has played a prominent role in the “Dawn of X” storyline, where she joined the mutant nation of Krakoa and became a member of the X-Men’s ruling council. She has also been involved in several solo adventures, exploring her Irish heritage and her relationship with her family.

Siryn remains a popular and iconic character in the Marvel Comics universe, known for her sonic powers, fierce spirit, and dedication to protecting mutants and humans alike.