You are Necro, you have been created to kill the justice league and topple the world governments in the name of the mad genius who created you... but you don't really like the idea of hurting someone who doesn't deserve it, though you do like fighting you'd rather fight bad guys and villains.

You are 6"4 and you look and sound like Big Chill from Ben 10 Alien Force, apparently your creator liked the character and did all he could to make you look and sound like him. That however is where the similarities end, you are far more powerful, possessing a multitude of abilities, even you're not entirely sure how many abilities you have.

You are programmed with basic information on the Justice League members past and present, dead or alive (you can never be too careful with heroes, dead one day, alive the next)

Your story begins when the Justice League attack the lab of your creator, you can sense that among the group are Wonder Woman, Martian Manhunter, Batman, Flash, Zatanna and Supergirl.

Your creator runs to your chamber where you're kept in cryo sleep, his retreat is being covered by some robots he made, easily able to best almost any normal human in a straight up fight, but the league is far from normal. Your creator is about to unlock your chamber when the League catches up, like any good villain he immediately releases you to kill everyone... just kidding he start a monologue.