Related Clues:

• The Blue and the Gray, once
• Enemies
• They're not on your side
• Duel personalities?
• They're hostile to you
• Us and them, maybe
• Traditional battlers
• Grendel and Beowulf
• Adver-saries
• They don't get along
• Opposed combatants
• Hostile parties
• Contenders
• Far from friends
• Battling sides