Getz is Casandra's great great grandfather and a powerful wizard who banishes the evil supreme wizard Zarlak to the center of the Earth.
He is seen to be gentle and is keen to fight evil. He is also seen in an episode when the trio take a field trip back in time when he is trialling Zarlak for his evil deeds. Gus ends up picking up a crystal which Getz needed to beat Zarlak once and for all, eventually Getz has it back and banishes Zarlak.
In episode 10 UBOS is loosing his mind and accidently tells Verne the techno wizard that he is Getz.