Silver Banshee (Arrowverse)

Siobhan Smythe is a supervillain in the CW series Supergirl. She is a minor antagonist of Season 1 and one of the two main antagonists of the Supergirl/Flash crossover, "World's Finest." She was cursed with the ability to release supersonic shrieks and screams due to being wronged by Supergirl's alter-ego, Kara Danvers for getting her fired from the CatCo newspaper company.
In the crossover between Supergirl and The Flash, Siobhan teamed up with Livewire to avenge herself by killing Kara and Supergirl, unaware that both women were one and the same. With help from the Flash, Supergirl and The Flash manage to take them out and apprehent Siobhan for her attempted murder.
Category:Villains
Category:Antagonists
Category:Supervillains
Category:Superman characters
Category:Supergirl characters
Category:Arrowverse characters
Category:Males
Category:Live-action characters
Category:Characters with sonic scream
Category:TV show characters