Gainsbourg would likely have preferred to be portrayed as Judas Iscariot or Jesus Christ. His French chauvinism would have matched him to either role.
Although he could sometimes be clumsy, his motive was always pleasure. Because what is Épater le bourgeois more than the primordial game of the child that destabilizes the reticles of our medulla oblongata and plunges us into the vertigo of disgust when he plays with shit, eats mucus or literally pissing himself to feel the pleasure of urine warming his little leg? He was capable of anything. Being a player, he combines fun and gambling. Although going back to the first premise, had Serge known he might personify the Patron Saint of Spain, he would have used the contempt that many Spaniards have towards the French. He would also have relished this role.