I'm Darkness The Hedgehog
Age: 50 years old (looks 15 years old)
other name: Rubi The Hedgehog
History:
She was a mistake that took dr.robotnik, wanted to create a clone of the original shadow shadow failed or if out control, so I think by accident in Darkness.
As was not what the Espar hid the dr.robotnik, nobody knew that exist Darkness The Hedgehog.