Dragon Riders of Poolok

"The Duloks paid top rate to have me take it off their hands. No, it was the Dragon Riders of Poolok!"

- The Two-headed Gonster arguing with himself over the origin of the Hoosha

The Dragon Riders of Poolok was an organization that was apparently known for using dragons as mounts. They had once come into contact with the Two-headed Gonster who was known for his skill in dealing with monstrous beasts. The Dragon Riders had apparently appealed to the Gonster to help rid them of a terrifying beast known as the Hoosha. However, the Gonster could not agree over whether that particular monster had been related with the Dragon Riders or with the Duloks, so it's possible that the Gonster had aided the Dragon Riders with a completely unrelated beast.

Behind the scenes
The Dragon Riders of Poolok are apparently from an area known as Poolok, but whether this location is a place on the forest moon of Endor or an entirely separate planet is unknown. It is also possible that the Dragon Riders were simply led by someone known as Poolok.