Siren

Siren is a fictional mermaid published by DC Comics. She debuted in The Titans #5 (July 1999), and was created by Devin Grayson and Mark Buckingham. In her first appearance she appeared to be an ecoterrorist, Siren had begun a campaign that should prevent humans from going near the water. She sang her song while walking through the town of Four Heroes, Maine. Tempest, Argent and Damage of the The Titans investigated the case and Tempest soon met Siren. He held her responsible for the people's fear of water because she "stands out" and has recently been swimming. Siren tries to escape, but is frozen by Tempest. She escapes by first making Damage free her from the ice and then making Argent and Damage afraid of the water so that Tempest will have to save them. Tempest later finds her in the shallows and manages to capture her by knocking her out. She's freed from her imprisonment by Vandal Savage who she repays by joining the criminal team he had formed named Tartarus. As a member of... full article at wikipedia