Possible Questions:
- Adversary
- Counterfeit
- Opponent
- Antagonist
- Enemy
- Nemesis
- Rival
- One opposed
- The other side
- Bad guy
- Other side
- Opposition
- Hostile force
- Sentry's word
- Challenger
- Opposition member
- Ill-wisher
- Napoleon, to Wellington
- The Joker, to Batman
- Giant, to Jack
- "Them"
- One on the other side
- Moriarty, to Holmes
- Hostile one
- Grant, to Lee
- Friend's counterpart
- Attacker
- Goliath, e.g.
- Dangerous answer to a sentry
- Contender for your title
- Combatant
- Burr, to Hamilton
- "Friend or ___?"
- One of "Them"
- No friend
- Hatfield, to a McCoy
- Goliath, to David
- Friend's opposite
- Darius, to Alexander
- The Riddler, to Batman
- Sworn enemy
- Sulla, to Marius
- Paris, to Romeo
- No friend of mine
- Hannibal, to Scipio
- Enemy or competition
- Dr. Evil, to Austin Powers
- A McCoy, to a Hatfield
- Wellington, to Napoleon
- Unfriendly one
- Sworn rival
- Pompey, to Caesar
- One of them?
- One of ''them''
- One in a battle scene
- One against another
- Lee, to Grant
- Hostile opponent
- Goldfinger, to Bond
- Front de Boeuf, to Ivanhoe
- Friend alternative
- Frenemy, in part
- End of a sentry's question
- Doctor Octopus, to Spider-Man
- Darius III, to Alexander
- Armed adversary
- Archaic "Curses!"
- Any Hatfield, to a McCoy
- "Who goes there, friend or ___?"
- Yamamoto, to Nimitz
- Unfriend?
- Them, often
- The Red Baron, to Snoopy
- The other army
- The Axis, once
- Tecumseh, to W. H. Harrison
- Sworn enemy, e.g.
- Source of conflict
- Scarecrow, to Batman
- Saul, to Philistines
- Red, e.g., once
- Persians, to the 300, e.g.
- Penguin, to Batman
- Pawnee, to a Cheyenne
- One who isn't with us
- One who isn't behind you
- One to go up against
- One to counter
- One to beat
- One on the opposing side
- No, to Bond
- No proponent
- No ally
- Ney, to Wellington
- Newman, to Seinfeld
- Mr. Mxyzptlk, to Superman
- Mr. Big, to James Bond
- Mothra or MUTO, to Godzilla
- Military enemy
- McCoy, to Hatfield
- Mailman, to a canine?
- Lee to Grant
- Jay-Z "Friend or ___"
- Iran, to Iraq
- Ill-willer
- Howe, to G.W.
- Hostile army
- Hatfield, to McCoy
- Hardly a follower
- Hannibal, to Scipio Africanus
- Hannibal, to Romans
- Hannibal, to a Roman
- Grendel, to Beowulf
- Grant to Lee e.g.
- Goliath, to David, e.g.
- Giant's third word
- Giant to Jack
- Game opponent
- Friend's antithesis
- Friend's adversary
- Expression of reproach
- Crazy Horse, to Custer
- Counter person?
- Cornwallis, to Washington
- Contender to your title
- Cheyenne, to a Pawnee
- Catwoman, to Batman
- Cassius, to Caesar
- Capulet, to Montague
- Bugs Moran, to Al Capone
- Bizarro, to Superman
- Battlefield target
- Barack, to Mitt
- Axis, once
- Any member of the other team
- Anti-hero character?
- #1 spot, when you're #2
- "This is a Montague, our ___": "Romeo and Juliet"
- "Friend or ---?"
- "Friend or __?"
- "Friend or _____?"