European dragon usually evil, much like dragon-like creatures of Greece and other dragons of Continental Europe; however, there are exceptions, and many do not want to go to battle unless they feel threatened. These serpents are limbless and wingless. The most famous sea serpent in Norse mythology is Jörmungandr, who is actually a giant born into the body of a serpent by the Norse god Loki, who will one day kill Thor, Norse god of thunder. The red dragon features on, and is the name of the national flag of Wales ("Y Ddraig Goch"). The symbol may originate in Arthurian Legend, or
Dragon Petroleum but the Dragon Petroleum brand is restricted exclusively to Wales. Dragon Petroleum Dragon Petroleum is a Welsh fuel company with headquarters at Dyserth in Clwyd. It is a subsidiary of NWF Fuels, itself a trading Division of the NWF Group plc of Nantwich in Cheshire. Dragon Petroleum operates a chain of petrol stations and garages across Wales. Its corporate logo is a stylised Welsh dragon, and in its most recent rebranding this logo has been superimposed upon green and white stripes, so as to resemble (but not precisely reproduce) the Welsh flag. The parent company (NWF) also supplies fuel and