"Hello, test subject. Just a heads-up that our research into stopping all the Godzilla attacks on US soil has been postponed indefinitely. Turns out it doesn't matter where you hatch a nest full of Godzillas, they just make a beeline straight for Tokyo. Should have seen those things go."
— Cave Johnson, Portal 2
Itsuki: Only one explanation: We're all from different versions of Japan.
Ren: Right. And they don't sound pretty much anything alike at all.
Naofumi: So there are parallel worlds with parallel Japans?
Motoyasu: I thought we might just be from different eras, but it would seem not.
Ren: Right. And they don't sound pretty much anything alike at all.
Naofumi: So there are parallel worlds with parallel Japans?
Motoyasu: I thought we might just be from different eras, but it would seem not.
"Why do they have to pick our country to appear in all the time, anyway?"
— Toriyama, Ultraman Mebius