"Useless inferior coprolitic components. I wouldn't electrocute my mother with these."
Professor Caractacus Mezzasalma is a former Castle Heterodyne prisoner, though it has not been revealed what he did to get himself sentenced to Castle duty. He has thick short black hair and dark olive skin, and wears a blue vest. He appears to be a minor spark specializing in electromechanical systems, such as the spider-like (though hexapodal) legs that serve as his lower body. He has been seen , suggesting that all six may be functional manipulative limbs. According to the novel Agatha H. and the Voice of the Castle, his first name is Caractacus.
Si Vales Valeo System Transferal Procedure, whence the above quote.the
He takes part in Fun-Sized Mobile Agony and Death Dispenser. He is present when Zola kills Diaz with the marshmallow gun, and has his legs shorted out by an effect of Doctor Mittelmind's pulse cannon.the
He recovers from this, ultimately survives Agatha's visit to the Castle, and is among the prisoners who are Doom Bell is rung and Agatha officially declared the Heterodyne.when the
"Caractacus" could be a reference to Caractacus Potts; a (non-GG) fictional mad inventor known for his creation of the famous flying car "Chitty-Chitty Bang-Bang".