Translations for painter in French

Here are paragraphs from public domain books translated:

"How so?" asked the painter, who appeared to regard the affair as a joke. Devanne was about to reply, when his mother mentioned to him to keep silent, but the excitement of the occasion and a desire to interest his guests urged him to speak.	— Et pourquoi ? fit le peintre qui, décidément, prenait la chose en plaisantant. Devanne allait répondre quand sa mère lui fit un signe. Mais l’excitation du dîner, le désir d’intéresser ses hôtes, l’emportèrent.
The Extraordinary Adventures of Arsene Lupin, Gentleman Burglar, by Maurice Leblanc	Arsène Lupin gentleman-cambrioleur, de Maurice Leblanc