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Sean Cassidy

Prime Marvel Universe

Banshee's powers and abilities

Banshee is a mutant who possesses unusually strong sonic abilities.


He created powerful sonic waves with his voice with which he could achieve various effects, often with the assistance of psionic abilities which function only in unison with his sonic abilities.

  • Sonic Scream
    He had the ability to shatter solid objects with an incredibly loud and destructive sonic scream.
  • Flight
    He had the ability to fly at subsonic speeds by using his voice to propel him through the air and ride via sound waves.
  • Sonar
    He could use his sonic powers as a form of sonar (Sound Navigation and Ranging). By sending out a precise, pure note and listening to the returning, altered wave-front of the note, he could evaluate his surroundings in total darkness with varying degrees of resolution.
  • Sonic Shield
    He could tighten sound waves around himself or others near him, making a barrier against outside attack.
  • Vocal Disorientation
    He had the ability to change someone?s balance, by affecting their equilibrium using his sonic scream
  • Vocal Trance
    He had the ability to subtly influence people's subconscious mind by changing the tones and vibrations of his voice using hypersonic suggestions and persuasive abilities.
  • Vocal Unconsciousness
    He had the ability to affect the fluid in someone?s ear causing the person to go unconscious.
  • Sound Immunity
    Banshee's hearing and equilibrium were unaffected by his hypersonic abilities or other similar sound/sonic-based abilities.
  • Superhuman Vocal Stamina
    He possessed superhuman stamina in his lungs, throat, and vocal cords.


A gifted detective, seasoned undercover operative, and unarmed combatant, Sean was also well-versed in combat strategy and tactics. He was an excellent marksman, amateur machine-smith, educator, organizer and lobbyist. His interests included American country music and playing the piano.