Related Clues:

• Challenger
• No friend of mine
• No friend
• Goliath, for one
• Goliath
• Contender for your title
• Adver-sary
• One of ''Them''
• Jack's adversary
• McCoy, to Hatfield
• No ally
• Mailman, to a canine?
• 'This is a Montague, our ___': 'Romeo and Juliet'
• The Joker, to Batman
• Top-of-the-beanstalk resident