Joe: A Real American Hero toyline from Hasbro, which has spawned comics and animated series.
Both versions of the character are the leader of the B.A.T.s (short for Battle Android Troopers) that are controlled by the ruthless Cobra Organization.
with an advanced computer system and tactical logic programs but was considered by Cobra as too expensive to move to mass production.
Wounded, Overkill made his way onto a submarine with an escaping Cobra Commander and collapses, expressing the desire for power.
The storyline has Tunnel Rat alone in the Arctic without his Sigma suit having to try and stop Overkill and his army of B.A.T.s.
Overkill was first released as an action figure in 1991, as part of the Talking Battle Commanders line.
Joe: Valor vs. Venom by Reel FX, now clearly a half-human and half-machine cyborg version, with a variety of robotic appendages and a tendency to repeat the end of his sentences in a manic tone of voice.
In a series of fortuitous circumstances, he makes an alliance with "Venomous Maximus", a mutated and brainwashed General Hawk.
The Joes are able to turn Maximus back into Hawk, and the Cobra base begins to explode around Overkill, who IS seemingly crushed in the ensuing explosion.
Overkill is still attempting to overthrow Cobra Commander with his new B.A.T.s, this time in secret, and has a new more powerful BAT called Overlord Vector, which he uses to kidnap General Hawk's son, Scott.
Overkill believed Scott had hacked into Cobra's computers, and possessed a formula which would allow his B.A.T.s to evolve as they fought.
However, when Overkill scanned Scott's mind, he found that his discovery was just pure dumb luck.