Renard Valois is an original character created by Erle Duskhaven (Swifttail).
Renard is a French student of Sorbonne, department of Italian and Romanian languages. He's 20, but he feels like he's always 16. Apart from studying he works as an assistent of Louvre's guide.
Renard also owns Red Panda's (a.k.a. Firefox) Miraculous, which is his blacelet. Due to his kwami Jazz's help, he can transform into the hero, named Ardent.