Kaijū (怪獣), literally meaning strange beast or mysterious beast, is a popular Japanese term referring to monsters, especially giant monsters as portrayed in Japanese fantasy films (tokusatsu and anime), more precisely termed daikaijū. The similar term kaijin refers to human-like monsters in related genre. The most famous of these creatures is Godzilla.

The Aardvark presents a friendly warning to passers by to beware of giant monsters and strange beasts!