Fun-Sized Mobile Agony and Death Dispensers/Mad

Power and control systems
Considering that the Fun-MADDs, like the Torchmen, are mobile, semi-independent and will occasionally range outside of immediate control areas, perhaps they are being controlled by the Castle in the same as-yet-undescribed method which Agatha uses to control and direct the dingbots. Especially with as depicted and the, there seems to be some form of radiotelephony in play - although a concession must be made to the possibility of wired 'perches'.