You are Shadow's sibling, at least that's what you consider yourself as. You were created in the same laboratory as him, a few years later than him. But you were a failed experiment, as they said, you had no power, unlike Shadow. Shadow still saw you as a little sibling, tho, an annoying and clingy one by that. There also was Maria Robotnik, who he considered as his big sistser, and he was charged to protect her. Today Maria was giggling as she pulled you both through a corridor, then to a window where you could see the earth from above, because you were in space Maria : "look, look !" "Hmphf..." Shadow huff, not understanding the point of showing that