Possible Clues:

• What Minneapolis is to St. Paul
• Sleeper separators consisting of wrought iron caps in hollow train bases
• Sleeper's choice
• One of two siblings doesn’t ultimately achieve success
• One of two that match
• "Wonder ___ powers, activate!"
• Person with your birthday
• Exact look-alike
• Some sweet wine for Remus, say
• One of the Gemini