King Arthur is the main protagonist of the classic Monty Python movie, Monty Python and the Holy Grail. He is reponsible for organizing the Knights of the Round Table.
Throughout the movie, he plays the role of the straight man in his quest to find the holy grail. At the end of the movie, King Arthur discovers the castle the Grail is located at, only to find that it has been taken over by taunting Frenchmen. He leads an army to storm the castle, but is arrested by modern-day police officers.