Sird also stand for super intellgent robotic destroyer he was sent to earth from his home planet sirdron its where these ai robotic beings are very smart and strong they develop cities and civilation on there planet sird was the strongest out of them cause they were also warriors who fought other extreme powerful threats sird got sent to earth for power and strength but also greed for his home planet to be the strongest civilization in the universe they kill gods god like beings and overlords