Possible Clues:

• Blanket-toting comics character
• Boy with a blue blanket
• Blanket carrier in 'Peanuts'
• "House intellectual" in "Peanuts," per Schulz
• ''Peanuts'' kid with a blanket
• Younger brother of Lucy van Pelt
• Comics kid with a security blanket
• Blue-blanket boy in papers
• The second Pope of the Catholic Church
• Comics character with a blanket