Dragon (Dragon Storm)

Dragons are large aerial predators of extraterrestrial origin which arrived on Earth during medieval times, their eggs being transported through space vacuum inside small asteroids. Dragons have a reptilian appearance and are considered fearsome predators, mostly due to their ability to breathe fire out of their mouths. They posses a small gas pouch located under the neck, where they store the fuel for their fire. They are sometimes depicted as having six limbs: four paws and two large wings, whereas other depictions show them with only four limbs: two wings and two paws.

Behind the scenes
Dragons have been portrayed as extraterrestrial beasts on considerably few occasions, the most notable certainly being the Sci-Fi Channel original movie Dragon Storm, by Stephen Furst.