Dr. Nefalleo is a scientist who used to work for the Pickleodeon Army. He has created many inventions, most of which are for the Pickleodeon Army. His stepbrother and former boss is Gruigee. He's the Weegee version of Dr. Nefario. His secret is discovered when the Finnittanian spies entered his lab, which is revealed that he has a robotic Butler named Lawleence. He suffers an unfortunate accident, which results in him becoming a robot. He develops a hatred of Organic Creatures (Which he called them squishies) and joined the Cytrons, which he changed his name to Dr. Nefallious.