Possible Clues:

• Red-suited reindeer driver
• Receiver of many letters
• Bruce Springsteen "___ Ana"
• Pole star
• 'By the sound of it, one may get claws to slay with (5)'
• Red-and-white hat wearer
• ___ Rosa, Calif.
• One-night-a-year flier
• Holy Italian who is sacked just before Christmas
• Seasonal mall temp