Answer: siegfried

AnswerCrossword Clue
SIEGFRIEDHero of various German legends.
SIEGFRIEDLine of Allied attack.
SIEGFRIEDVanquisher of the Nibelungs.
SIEGFRIEDWell-known Line.
SIEGFRIEDWagner hero
SIEGFRIEDWagner opera