Dr. Psychobos

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 2 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.