Reigubas

Reigubas is the giant monster that was worked under command of the Digon. Although it was classfied as space sea monster (宇宙海獣), its true origin is never reveal.

This bipedal monster is greatly resemble Earth's Crustacean and is adept swimmer. In addition to its powerful pincer claws, Reigubas can use its breath weapon in combat. Spitting gas with extreme temperature, Reigubas can launch either volley of large fireballs or super-cold ice mist which can freeze large object within seconds. It's unknown how Reigubas control its breath weapon, although its red-glowing eyes will temporaly turn blue when it about to use the ice mist.