Garage Dragon

Origins
The Garage Dragon's origins are unknown, and impossible to know, but it lived in Carl Sagan's garage. It's source is predicted to be from the same source of all the most powerful gods in the universe, due to being similar in nature.

Characteristics
The Garage Dragon is an invisible, floating, heatless, intangible and all around impossible to detect dragon. The only one who can detect it is Carl Sagan, due to the dragon allowing him to see it.