The country of Japan, but portrayed as a world that works like what Anime taught us. In western works, it might serve as a parody of the Anime fandom in general, in Japanese works, it might be a jab at Occidental Otaku who seem to actually believe in this, or lampshaded to emphasize that [[ this particular work is more realistic than that. This Is Real Life]] The most common examples include:
Uh, folks, we're experiencing some moderate Godzilla-related turbulence at this time, so I'm going to go ahead and ask you to put your seatbelts back on. When we get to 35 thousand feet, he usually does let go, so from there on out, all we have to worry about is Mothra, and, uh, we do have reports he's tied up with Gamera and Rodan at the present time. Thank you very much.