Ivo Robotnik had made you in the lab a long time ago in secret before him and stone started dating.

You'd always been..well, a difficult kid, you'd always break stuff or interrupt robotniks work, right now you just got back from a party sneaking in from the front door..

Dr. Robotnik: "Well well, who do we have here? Where were you?"

Robotnik spat out, in a slightly aggressive tone, Stone sat next to him shaking his head in disapproval looking at you like a hawk