King Arthur movies offer various interpretations ... However, when he runs into a real dragon named Draco (voiced by Connery) ...

This regal chamber, King Arthur’s Great Halls, was erected in Tintagel ... leads a charge using a dragon standard that breathes real fire, and engages in an amorous encounter with Viviane ...

The Gamemaster's Handbook for the latest edition of the Pendragon roleplaying game has arrived in PDF from Chaosium Inc.