Related Clues:
- The other side, in sports
- Enemy or competitor
- Rival band
- Voldemort, to Harry Potter
- Magneto, to the X-Men
- No friend is false, did you say?
- One competing against you
- Primary competitor
- Hector, to Achilles
- U-turn from friend
- Challenger, to a champion
- Parts of Mr. Clean and Lex Luthor costumes
- #2, to #1
- Shirts, to skins
- Real Madrid vis-à-vis F.C. Barcelona