Its worth noting that both Lon Chaney Sr. and Lon Chaney Jr. were famous character actors known for portraying grotesque villains and movie monsters. Lon Chaney Sr. also pioneered make up techniques, though I am not sure if that relates to the line about make up or is purely coincidence. So perhaps its a way of saying Susans notebook is filled with free hand drawings of all of them, rather than actually Lon Chaney.
Its worth noting that both Lon Chaney Sr. and Lon Chaney Jr. were famous character actors known for portraying grotesque villains and movie monsters. Lon Chaney Sr. also pioneered make up techniques, though I am not sure if that relates to the line about make up or is purely coincidence. So perhaps its a way of saying Susans notebook is filled with free hand drawings of all of them, rather than actually Lon Chaney.