As the young angry children swarmed over him and the strange man in the blue tights threw a hard metal shield at his head and the controls slipped from his hand and skittered out of reach - a whole two feet away - the inventor began to consider the shortcomings of his design.

What's more, given that he'd pushed the robot into the lobby during business hours and claimed it was a cleaning machine, perhaps painting ROBBER on the back of its head was a bit too much. There's taunting the fools who are powerless to stop you, and then there's just plain asking for it.