Answer: kingarthur

AnswerCrossword Clue
KINGARTHURSpumador's rider
KINGARTHURRole in popular musical.
KINGARTHURSubject of T. H. White books.
KINGARTHUR"Monty Python and the Holy Grail" protagonist
KINGARTHURRound Table leader
KINGARTHURRound Table bigwig