Picture of Overtkill

During his time in America, Overtkill found and attacked Spawn. It was the toughest battle Spawn had dealt with so far. If not for a mechanical oversight with Overtkill's circuits, Spawn may have died. Overtkill was the first one to defeat Spawn. In a later rematch Spawn found and destroyed him using some of Wynn's government weaponry. Twist rebuilt him and once again sent him to destroy Spawn.

Once again he was on the verge of success when Sam Burke and Twitch Williams intervened and managed to disable his circuits leading him to go find the only other to defeat him, the Youngblood member Badrock.