The entire Ghostbusters gang is present in Mystery Mini form including Dr. Peter Venkman with a proton pack, Dr. Egon Spengler with a proton pack, Dr. Ray Stantz with a proton pack, Winston Zeddemore with a proton pack, Dr. Egon Spengler covered in marshmallow, Dr. Ray Stantz covered in marshmallow, Zuul the Gatekeeper of Gozer, Louis Tully as Vinz Clortho, Gozer the Gozerian, Stay Puft Marshmallow Man, Slimer and the librarian ghost.