It seems that he always does so," said Sonia in an explanatory tone.
"But who is he ?" said the Duke.
"Arsene Lupin?
Surely you know who Arsene Lupin is ?" said Germaine impatiently.
"I haven't the slightest notion," said the Duke.
"Oh, come! No one is as South-Pole as all that!" cried Germaine.

"You don't know who Lupin is?
The most whimsical, the most audacious, and the most genial thief in France.

For the last ten years he has kept the police at bay.

He has baffled Ganimard, Holmlock Shears, the great English detective, and even Guerchard, whom everybody says is the greatest detective we've had in France since Vidocq.

In fact, he's our national robber.