It was the ultimate weapon. Death sparkled from every glistening edge of that monster. An H bomb embedded in its chest. A killing machine of such complexity it had to be operated by a human brain.

The evil overlord saw that the only brain worthy of bringing unspeakable destruction to the world was his. After all, what pleasure would be greater than annihilating entire civilizations, burning cities until only scorched crumbles remained? Oh, yes. And then he would go in a magnificent explosion. He cackled at his evil plan, and called his trusted surgeon.

The surgeon did not rest until all the functions of the brain were connected to weapons.
The brain moved a finger, and the machine fired rockets, destroying a wall. It blinked and bullets sprayed. The surgeon was still reading him the instructions, but the overlord did not want to wait, there was so much killing to do. He hurled the puny man aside, and laughed. The room was dusty from the crumbling walls, and instinctively the overlord coughed.

Boom.