Jennifer Pearson is a daughter of the Eliminator. As an infant Aladdin experimented on her, trying to give her an indestructible skeleton. They failed and deemed the child useless. Allowing the "powerless" child to grow with relatives. What they didn't figure out is that they had managed to cause a mutation, but the powers would not surface until puberty. Jennifer eventually demonstrated heightened reflexes, strength, low-key telepathy, and telekinetic control over any liquid in her vicinity.

As a teenager she became a thrill-seeking Classy Cat-Burglar. At first appearing as supporting character in various series, Siren was reinvented as a mercenary in her starring roles