Related Clues:

• Idol
• Deli product
• White knight
• Sub's cousin
• Recipient of 15-Across
• Hoagie
• Derring-doer
• Day saver
• Lifeguard, at times
• White-hat wearer
• Villain's vanquisher
• White knight, stereotypically
• Johnny-on-the-spot, perhaps
• Han or Luke, e.g.
• Subway purchase, perhaps