Dr. Psychobos is an evil and psychotic Cerebrocrustacean scientist who invented the Nemetrix with the help of Malware. He is one of the three main antagonists for the first two season arcs in Ben 10: Omniverse, along with Malware and Khyber. He continues to serve as a secondary antagonist for the rest of the series, working for Attea and then Maltruant.