Real Name: Sean Cassidy

Current Group Affiliation (at time of death): None

Former Group Affiliation: X-Men I, Factor Three, Generation X, Muir Island X-Men, X-Corps

1st Appearance: X-MEN(v.1)#28 (1967)

Known Superhuman Powers: Banshee possessed a sonic scream.

Other Aliases: None

Hear My Voice! (from the X-Men Animated Series)