Banshee

Banshee is the mutant master of sound! With his mighty scream he can rocket himself into the air and fly at near super-sonic speed or shatter the strongest steel. Banshee can even hypnotize enemies with a mind-numbing shriek! But the longer he screams, the weaker he becomes -- if he screams for too long, he'll lose his voice and become as helpless against his enemies as an ordinary human!