Kaiju
Kaiju (怪獣(かいじゅう), kaijū; lit. 'strange beast') is a term used in film and media for a subgenre of monster films produced in Japan known as kaiju eiga (monster films), also serving as a subgenre of tokusatsu (special effects filmmaking). Similar to its Western counterpart, kaiju eiga usually depict creatures of varying origins and sizes attacking cities or towns, usually in Japan, and battling the Japan Self-Defense Forces, other monsters, or both.