Answer: GAWAIN

AnswerCrossword Clue
GAWAINRound Table Knight.
GAWAINHero challenged by the Green Knight
GAWAINKnight to remember
GAWAIN"Sir ... and the Green Knight"
GAWAINArthurian knight
GAWAINA nephew of King Arthur
GAWAINRound Table name
GAWAINArthur's nephew
GAWAINKing Arthur's nephew
GAWAINRound Table knight
GAWAINKing Arthur's nephew.
GAWAINKnight of the Round Table.
GAWAIN"Idylls of the King" character
GAWAINThe Green Knight's challenger in Camelot
GAWAINKnight of the 35-45-Across
GAWAINNephew of Arthur
GAWAINNephew of King Arthur
GAWAINOne of Arthur's guys