with the ability to hypnotize. Herr Phoul – A bald Nazi scientist with a monocle and one of Mister Mind's three lieutenants alongside Jorkk and Dr. Smashi. Hideki Tojo – He and all the resources of Imperial Japan have assisted the Monster Society of Evil. Hydra – A serpentine monster with multiple heads that can regenerate. It was created by Mister Mind. Ibac – A criminal who sold his soul to Lucifer for super-strength and durability which he gets by saying the magic word "Ibac". Jeepers – The last of a race of bat monsters. Marmaduke – A criminal with big ears and a fat face. Monster Brigade – Undersea monsters under Mister Mind's command consisting of a sperm whale, a gigantic octopus, a hammerhead shark, and a huge sea serpent. Monster Professors – Teachers at Mister Mind's Monster School. It consists of a human, a Crocodile-Man, an unspecified fanged monster, and a humanoid with the head of a hippopotamus. Monster Students – Pupils at the Monster School that consist of tough humans, Crocodile-Men, and a horned black demon. Mr. Banjo – A criminal and leaker of Allied secrets via coded music from his banjo that were played on a popular radio show (only appears for one panel in the first chapter) Nippo – A master of disguise, master swordsman, and spy for the Japanese. Synthetic Animals – Fake animals created by Mister Mind. They consisted of Oscar (a giant lobster), Oliver (a gigantic octopus with human hands), Ophelius (a huge ram), and Oliphant (a dragon). Tough Guys – Generic human enforcers of Mister Mind's wishes. The notable ones include a Tommy-gun wielder, a cloaked swordsman, a beret-wearer, a stereotypical "Goomba", and a Gatsby cap-wearer. Third version Mister Mind (leader) Doctor Sivana Ibac Georgia Sivana – Dr. Sivana's youngest daughter. Thaddeus Sivana Jr. – Dr. Sivana's youngest son. Fourth version Mister Mind (leader) Doctor Sivana Ibac Black Adam – A traitorous first of the Marvels with powers similar to the others, but from the Egyptian gods. King Kull – The last of the Beast-Men that once ruled the Earth until Cro-Magnon man rebelled, causing him to go into suspended animation. He has enormous strength and durability and a brilliant mind, along with bizarre technology. Mister Atom – An indestructible and super-strong genocidal robot, who possesses the power of an atomic bomb. Oggar – An immortal sorcerer of great power with