Click here to see quotes from Nathalie Sancoeur. Nathalie Sancoeur[10] is one of the two secondary antagonists (alongside Lila Rossi/Cerise Bianca) of Miraculous: Tales of Ladybug & Cat Noir, serving as a recurring character in Season 1, the final antagonist of Season 2, the secondary antagonist of Seasons 3 and 4, and a major anti-hero in Season 5. She is a former treasure hunter of magical objects and Gabriel Agreste's assistant who manages his fashion work, his mansion, and takes care of his