User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Theory About Julian Glover's Character/@comment-4135736-20120918083721/@comment-4062486-20120918085535

Yeah, Bruta definitely did exist. Arthur said that he was familiar with the story, as were all the residents of Camelot. Part of the story was indeed made up, but it had to do with Bruta putting the sword in the stone (which never actually happened).