The Professor's Personal Guard used to be the personal guards of the Professor. They received a mission from the Professor to bring Eathon Lambert to him. They followed and trailed him for a long time until they cornered him at a waterfall in the forests of Peru. S1E26 They turned Eathon over to the Professor, but Eathon managed to escape by jumping from the waterfall and using the Nexus to enter Huntik. S2E27