IFFC found something interesting (And it is in the canon!):
<…> He has his fabulous monster, which has scales under its belly, but is not a lizard, which has pustules on its back, but is not a toad, which inhabits the nooks of old lime-kilns and wells that have run dry, which is black, hairy, sticky, which crawls sometimes slowly, sometimes rapidly, which has no cry, but which has a look, and is so terrible that no one has ever beheld it; <…>
Les Miserables, BOOK FIRST—PARIS STUDIED IN ITS ATOM
CHAPTER II—SOME OF HIS PARTICULAR CHARACTERISTICS
The gamin—the street Arab—of Paris is the dwarf of the giant.