"Marcel"
Marcel Proust
Public DomainMarcel Proust - Credit: Wikimedia Commons

This character is most likely a nod to Marcel Proust (1871-1922), the French novelist best known for his seven-part work À la recherche du temps perdu (In Search of Lost Time), published between 1913 and 1927.

Marcel's physical characteristics strongly resemble Proust's.

In Search of Lost Time on Book Drum