Gojira

In the hands of the most recognizable Japanese celebrity.

Godzilla is the title character of Japanese first and most famous monster movie released in 1954.
A gentle amphibious reptile of the Jurassic period, Godzilla, lay dormant in the depths of the ocean until awaken by nuclear bomb which transformed the creature into a ferocious flame spewing monster which burned city of Tokyo to ashes overnight.
The original film was a cautionary tale about the danger of radiation which is not so clear today but worth remembering when Japan fights to control back the nuclear plant in Fukushima.