Related Clues:
- __ territory
- Loki, to Thor, often
- Any ghost, to Pac-Man
- No pal of yours
- Either spy to the other in 'Spy vs. Spy'
- Foe found phonetically in four puzzle answers
- Some Nazarene: mysterious adversary
- Royal Pain, to the Strongholds
- One against you
- Opposition figure
- Challenger bogus, by the sound of it?
- 8 soldiers stopping the old adversary
- One can be public or sworn
- Villain, to a hero
- Nemesis, e.g