Agatha Trunchbull

Agatha Truchbull is the main villain of "Matilda" - a horribly abusive teacher who acts more like a dark lord than a tutor, she is a brutal woman who took the idea of a control freak to the most extreme: an incredibly violent bully Agatha thought nothing of literally hurling children vast distances and confining those who dared oppose her into a medieval torture-device that resembled an iron maiden: her tortures were so extreme they could easily of been fatal (though by some miracle her victims always survived): thankfully the fearsome tyrant was toppled by Matilda's quick thinking and magical powers, who tricked her into believing she was being haunted by the ghost of her brother-in-law (who, it is implied, may of been murdered by Agatha in order to inherit his estate) - upon being convinced of this hauning Agatha fled, much to the pleasure of everyone she had been terrorising.