Sean Cassidy

"You like fish, I like fish too. Maybe we should get a bite sometime and talk about it."

- Sean Cassidy

Sean Cassidy, aka Banshee, is a mutant with the ability of superhumanly powerful lungs, throat, and vocal cords could produce a sonic scream for various effects, in concert with limited, reflexive psionic powers which directed his sonic vibrations. He could hover or fly at the speed of sound.

X-Men: First Class
Banshee's unique sonic blasts carry him into flight. Like other young mutants, Banshee's powers reach their full potential only under Charles Xavier's patient tutelage, and in a battle that will have global consequences.

X-Men Origins: Wolverine
He makes a brief cameo as a prisoner of William Stryker in his mutant testing facility on Three-Mile Island. He, along with the rest of the incarcerated mutants (Quicksilver, Toad, Emma Frost and Cyclops), escape with the help of Professor X.

X-Men: Days of Future Past
During a harsh confrontation between Charles Xavier and Magneto on a plane, Eric reproaches over the death of Azazel, Angel, Emma Frost and Banshee.

X2: X-Men United
His name, along with his daughter's, appears on a list of names Mystique scrolls through on Stryker's computer while looking for Magneto's file.

Powers and abilities
Banshee has superhumanly powerful lungs, throat, and vocal cords, he can produce a sonic scream for various effects, in concert with limited, reflexive psionic powers which directed his sonic vibrations. He can hover or fly at the speed of sound.

Relationships

 * Theresa Cassidy - Daughter
 * Black Tom Cassidy - Cousin
 * Charles Xavier - Friend And Mentor
 * Alex Summers - Friend And Teammate
 * Hank McCoy - Friend And Teammate
 * Angel Salvadore - Friend And Teammate turned enemy
 * Erik Lehnsherr - Former Teacher turned enemy
 * Raven Darkholme - Friend and Teammate turned enemy

Behind the scenes

 * Irish actor Robert Sheehan was originally cast as the character but dropped out due to commitments to Misfits.

Trivia

 * In the comics, Banshee is from Ireland, in the film Cassidy is American.

Appearances/Actors

 * Canon (3 films)
 * X-Men: First Class - Caleb Landry Jones
 * X-Men Origins: Wolverine (First appearance) - Uncredited
 * X2: X-Men United - (Name Only)