When Satan is talking to Granma his horns wobble, indicating that they are made of rubber.
Japan is one of the only countries outside the Western Hemisphere to use Type A and B outlets, the same as in the US. Type A sockets are ungrounded and have two flat holes, while Type B sockets are grounded and have a third hole.
Parts are supposed to take place in Japan. Yet in many rooms of the Japanese company, American power outlets can be seen.