Σύμπαν or Cosmos is a dragon that was born from a dieing star that met a black hole. The star exploded and made Σύμπαν.
He made the disision to kill all life on any planet. So he found a planet named earth and desided to wipe out all on the planet. You could say he is the bain of existence.
After he purged the earth he found another dragon named BlitzKrank that did not want to rule the universe with him.so they made the disision to fight is Cosmos won he would kill the dragon and rule over everything but if BlitzKrank won Cosmos would have to rewind time and stop his destruction.