Silver Banshee:E-2

Siobhan Smythe of Earth-2 is Silver Banshee. A meta human who has Superhuman strength, durability, and speed. Spirit possession, Death stare, sound manipulation, and accelerated healing. She discovered her abilities when she entered adulthood, and found out her ancestors blood line were cursed to be Banshees. The curse warped her mind and possessed her like a demonic spirit. She became a primary antagonist to Superman and Supergirl when they teamed up to stop her from destroying National City.