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Silver Banshee

Silver Banshee

Siobhan Smythe

DC Television Universe

Silver Banshee's History

Siobhan Smythe is the former second assistant of Cat Grant at CatCo Worldwide Media. After Kara Danvers outed her plan to offer information on Supergirl to the Daily Planet, she was fired by Cat. Soon afterward, Siobhan discovered that a family curse gave her the power of a sonic scream and became a criminal, calling herself Silver Banshee.