Arthur Pendragon

Arthur Pendragon is a character from Arthurian Mythology.

Canon

 * Guinevere

Fanon

 * Merlin

Fandom

 * FAN FICTION

Trivia

 * The ABC Once Upon a Time series wasn't the only franchises to portray Arthur as a villain. The other two being the third arc of Tales of Arcadia and Sonic and the Black Knight.