Big Green



Big Green (Sometimes called Ectoplasmic Parasitic Mutation) is an evil doppelgänger of Slimer. There was a leak in the Containment Unit that caused Slimer to turn into Big Green every time he went to sleep. He was captured when Slimer and Big Green were separated by slightly modified Proton Packs. Flashbacks of his first appearance are seen in the hour-long version of the later episode "Deja Boo."