Possible Clues:

• Like Leif Eriksson
• Language that gives us "floe"
• Hoping to head to Valhalla, perhaps
• Beak suppresses the ultimate in vulgar language
• Vikings, e.g.
• Some ancient mariners
• Language from which 'sky' and 'egg' are derived
• Relating to ancient Scandinavia
• Longship sailors
• From Iceland, e.g.