The leader of the Guardian Units of Nations (GUN), a [[military]] faction in the [[Sonic (series)|]] series. He has [[grey hair]] and [[heterochromia|heterochromatic]] [[brown eyes|brown]] and [[green eyes]].

Having stayed on the [[space_colony_ark|ARK]] along with [[maria_robotnik|Maria]], he developed a great resentment against [[shadow_the_hedgehog|Shadow]], blaming him for the killing of both her and the other people aboard the space colony. 
The franchise's run with [[sonic_the_hedgehog_(archie_comics)|Archie Comics]] and the [[Sonic X Shadow Generations]]: Dark Beginnings animation give him the name "Abraham Tower".
commander (sonic)